32690436 has 24 divisors (see below), whose sum is σ = 76374144. Its totient is φ = 10883040.

The previous prime is 32690419. The next prime is 32690447. The reversal of 32690436 is 63409623.

It is a junction number, because it is equal to n+sod(n) for n = 32690397 and 32690406.

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, 13666 + ... + 15878.

It is an arithmetic number, because the mean of its divisors is an integer number (3182256).

Almost surely, 2^32690436 is an apocalyptic number.

It is an amenable number.

32690436 is an abundant number, since it is smaller than the sum of its proper divisors (43683708).

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

32690436 is a wasteful number, since it uses less digits than its factorization.

32690436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451 (or 3449 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 32690436 is about 5717.5550718817. Note that the first 3 decimals coincide. The cubic root of 32690436 is about 319.7473135407.

The spelling of 32690436 in words is "thirty-two million, six hundred ninety thousand, four hundred thirty-six".