3974092878 has 32 divisors (see below), whose sum is σ = 9171841536. Its totient is φ = 1124430048.

The previous prime is 3974092861. The next prime is 3974092883. The reversal of 3974092878 is 8782904793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455001 + ... + 463652.

It is an arithmetic number, because the mean of its divisors is an integer number (286620048).

Almost surely, 2^3974092878 is an apocalyptic number.

3974092878 is an abundant number, since it is smaller than the sum of its proper divisors (5197748658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3974092878 is a wasteful number, since it uses less digits than its factorization.

3974092878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918768.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The square root of 3974092878 is about 63040.4067087134. The cubic root of 3974092878 is about 1583.9665436830.

The spelling of 3974092878 in words is "three billion, nine hundred seventy-four million, ninety-two thousand, eight hundred seventy-eight".