3978570 has 16 divisors (see below), whose sum is σ = 9548640. Its totient is φ = 1060944.

The previous prime is 3978553. The next prime is 3978587. The reversal of 3978570 is 758793.

It is an interprime number because it is at equal distance from previous prime (3978553) and next prime (3978587).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66280 + ... + 66339.

It is an arithmetic number, because the mean of its divisors is an integer number (596790).

Almost surely, 2^3978570 is an apocalyptic number.

3978570 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3978570 is an abundant number, since it is smaller than the sum of its proper divisors (5570070).

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

3978570 is a wasteful number, since it uses less digits than its factorization.

3978570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132629.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 3978570 is about 1994.6353050119. The cubic root of 3978570 is about 158.4561140594.

The spelling of 3978570 in words is "three million, nine hundred seventy-eight thousand, five hundred seventy".