3847972 has 6 divisors (see below), whose sum is σ = 6733958. Its totient is φ = 1923984.

The previous prime is 3847939. The next prime is 3848017. The reversal of 3847972 is 2797483.

It can be written as a sum of positive squares in only one way, i.e., 3363556 + 484416 = 1834^2 + 696^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480993 + ... + 481000.

Almost surely, 2^3847972 is an apocalyptic number.

It is an amenable number.

3847972 is a deficient number, since it is larger than the sum of its proper divisors (2885986).

3847972 is a wasteful number, since it uses less digits than its factorization.

3847972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961997 (or 961995 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 3847972 is about 1961.6248367106. The cubic root of 3847972 is about 156.7029964538.

The spelling of 3847972 in words is "three million, eight hundred forty-seven thousand, nine hundred seventy-two".