3870472 has 8 divisors (see below), whose sum is σ = 7257150. Its totient is φ = 1935232.

The previous prime is 3870469. The next prime is 3870479. The reversal of 3870472 is 2740783.

It can be written as a sum of positive squares in only one way, i.e., 2090916 + 1779556 = 1446^2 + 1334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3870479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241897 + ... + 241912.

Almost surely, 2^3870472 is an apocalyptic number.

It is an amenable number.

3870472 is a deficient number, since it is larger than the sum of its proper divisors (3386678).

3870472 is a wasteful number, since it uses less digits than its factorization.

3870472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483815 (or 483811 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 3870472 is about 1967.3515191750. The cubic root of 3870472 is about 157.0078295418.

The spelling of 3870472 in words is "three million, eight hundred seventy thousand, four hundred seventy-two".