1405696 has 54 divisors (see below), whose sum is σ = 3137540. Its totient is φ = 626688.

The previous prime is 1405693. The next prime is 1405699. The reversal of 1405696 is 6965041.

It is an interprime number because it is at equal distance from previous prime (1405693) and next prime (1405699).

It is not an unprimeable number, because it can be changed into a prime (1405693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73975 + ... + 73993.

2^1405696 is an apocalyptic number.

1405696 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 1405696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1568770).

1405696 is an abundant number, since it is smaller than the sum of its proper divisors (1731844).

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

1405696 is an equidigital number, since it uses as much as digits as its factorization.

1405696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1405696 is about 1185.6205126431. The cubic root of 1405696 is about 112.0204044457.

The spelling of 1405696 in words is "one million, four hundred five thousand, six hundred ninety-six".