1545696 has 48 divisors (see below), whose sum is σ = 4510800. Its totient is φ = 514944.

The previous prime is 1545667. The next prime is 1545701. The reversal of 1545696 is 6965451.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1545696² = 4778352248832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1545696.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31 + ... + 1758.

It is an arithmetic number, because the mean of its divisors is an integer number (93975).

2^1545696 is an apocalyptic number.

1545696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1545696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2255400).

1545696 is an abundant number, since it is smaller than the sum of its proper divisors (2965104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1545696 is a wasteful number, since it uses less digits than its factorization.

1545696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808 (or 1794 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 1545696 is about 1243.2602302012. The cubic root of 1545696 is about 115.6222352395.

The spelling of 1545696 in words is "one million, five hundred forty-five thousand, six hundred ninety-six".