3870392 has 16 divisors (see below), whose sum is σ = 7302960. Its totient is φ = 1922944.

The previous prime is 3870337. The next prime is 3870401. The reversal of 3870392 is 2930783.

It is a d-powerful number, because it can be written as 3⁷ + 8⁷ + 7⁶ + 0 + 3¹³ + 9⁵ + 2⁵ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113 + ... + 2784.

It is an arithmetic number, because the mean of its divisors is an integer number (456435).

Almost surely, 2^3870392 is an apocalyptic number.

It is an amenable number.

3870392 is a deficient number, since it is larger than the sum of its proper divisors (3432568).

3870392 is a wasteful number, since it uses less digits than its factorization.

3870392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070 (or 3066 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3870392 is about 1967.3311871670. The cubic root of 3870392 is about 157.0067477863.

The spelling of 3870392 in words is "three million, eight hundred seventy thousand, three hundred ninety-two".