3872402 has 8 divisors (see below), whose sum is σ = 5904012. Its totient is φ = 1904400.

The previous prime is 3872389. The next prime is 3872417. The reversal of 3872402 is 2042783.

3872402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3728761 + 143641 = 1931^2 + 379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15749 + ... + 15992.

Almost surely, 2^3872402 is an apocalyptic number.

3872402 is a deficient number, since it is larger than the sum of its proper divisors (2031610).

3872402 is a wasteful number, since it uses less digits than its factorization.

3872402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31804.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3872402 is about 1967.8419651994. The cubic root of 3872402 is about 157.0339223764.

The spelling of 3872402 in words is "three million, eight hundred seventy-two thousand, four hundred two".