3640932 has 36 divisors (see below), whose sum is σ = 9689680. Its totient is φ = 1149552.

The previous prime is 3640909. The next prime is 3640933. The reversal of 3640932 is 2390463.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 3640896 and 3640905.

It is not an unprimeable number, because it can be changed into a prime (3640933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1978 + ... + 3345.

Almost surely, 2^3640932 is an apocalyptic number.

It is an amenable number.

3640932 is an abundant number, since it is smaller than the sum of its proper divisors (6048748).

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

3640932 is a wasteful number, since it uses less digits than its factorization.

3640932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352 (or 5347 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 3640932 is about 1908.1226375681. The cubic root of 3640932 is about 153.8405613608.

The spelling of 3640932 in words is "three million, six hundred forty thousand, nine hundred thirty-two".