3872078 has 12 divisors (see below), whose sum is σ = 6756552. Its totient is φ = 1659420.

The previous prime is 3872059. The next prime is 3872101. The reversal of 3872078 is 8702783.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19658 + ... + 19853.

It is an arithmetic number, because the mean of its divisors is an integer number (563046).

Almost surely, 2^3872078 is an apocalyptic number.

3872078 is a deficient number, since it is larger than the sum of its proper divisors (2884474).

3872078 is a wasteful number, since it uses less digits than its factorization.

3872078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39527 (or 39520 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 3872078 is about 1967.7596397934. The cubic root of 3872078 is about 157.0295426305.

The spelling of 3872078 in words is "three million, eight hundred seventy-two thousand, seventy-eight".