3932649 has 12 divisors (see below), whose sum is σ = 6492096. Its totient is φ = 2247192.

The previous prime is 3932647. The next prime is 3932657. The reversal of 3932649 is 9462393.

It is a happy number.

3932649 is a `hidden beast` number, since 3 + 9 + 3 + 2 + 649 = 666.

It is not a de Polignac number, because 3932649 - 2¹ = 3932647 is a prime.

3932649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3932641) 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, 31149 + ... + 31274.

It is an arithmetic number, because the mean of its divisors is an integer number (541008).

Almost surely, 2^3932649 is an apocalyptic number.

It is an amenable number.

3932649 is a deficient number, since it is larger than the sum of its proper divisors (2559447).

3932649 is a wasteful number, since it uses less digits than its factorization.

3932649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62436 (or 62433 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 3932649 is about 1983.0907694808. The cubic root of 3932649 is about 157.8441153337.

The spelling of 3932649 in words is "three million, nine hundred thirty-two thousand, six hundred forty-nine".