3932945 has 4 divisors (see below), whose sum is σ = 4719540. Its totient is φ = 3146352.

The previous prime is 3932941. The next prime is 3932947. The reversal of 3932945 is 5492393.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2930944 + 1002001 = 1712^2 + 1001^2 .

It is a cyclic number.

It is not a de Polignac number, because 3932945 - 2² = 3932941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3932941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393290 + ... + 393299.

It is an arithmetic number, because the mean of its divisors is an integer number (1179885).

Almost surely, 2^3932945 is an apocalyptic number.

It is an amenable number.

3932945 is a deficient number, since it is larger than the sum of its proper divisors (786595).

3932945 is an equidigital number, since it uses as much as digits as its factorization.

3932945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786594.

The product of its digits is 29160, while the sum is 35.

The square root of 3932945 is about 1983.1653990527. The cubic root of 3932945 is about 157.8480754029.

The spelling of 3932945 in words is "three million, nine hundred thirty-two thousand, nine hundred forty-five".