3942472 has 16 divisors (see below), whose sum is σ = 7415100. Its totient is φ = 1965120.

The previous prime is 3942469. The next prime is 3942479. The reversal of 3942472 is 2742493.

It can be written as a sum of positive squares in 2 ways, for example, as 3896676 + 45796 = 1974^2 + 214^2 .

It is not an unprimeable number, because it can be changed into a prime (3942479) 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, 3154 + ... + 4222.

Almost surely, 2^3942472 is an apocalyptic number.

It is an amenable number.

3942472 is a deficient number, since it is larger than the sum of its proper divisors (3472628).

3942472 is a wasteful number, since it uses less digits than its factorization.

3942472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536 (or 1532 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 3942472 is about 1985.5659142924. The cubic root of 3942472 is about 157.9754274663.

The spelling of 3942472 in words is "three million, nine hundred forty-two thousand, four hundred seventy-two".