1951536 has 40 divisors (see below), whose sum is σ = 5101360. Its totient is φ = 642816.

The previous prime is 1951529. The next prime is 1951553. The reversal of 1951536 is 6351591.

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, 5046 + ... + 5418.

It is an arithmetic number, because the mean of its divisors is an integer number (127534).

2^1951536 is an apocalyptic number.

1951536 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 1951536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2550680).

1951536 is an abundant number, since it is smaller than the sum of its proper divisors (3149824).

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

1951536 is a wasteful number, since it uses less digits than its factorization.

1951536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 487 counting only the distinct ones).

The product of its digits is 4050, while the sum is 30.

The square root of 1951536 is about 1396.9738723398. The cubic root of 1951536 is about 124.9660921362.

The spelling of 1951536 in words is "one million, nine hundred fifty-one thousand, five hundred thirty-six".