3971070 has 24 divisors (see below), whose sum is σ = 10325016. Its totient is φ = 1058928.

The previous prime is 3971063. The next prime is 3971087. The reversal of 3971070 is 701793.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21972 + ... + 22151.

It is an arithmetic number, because the mean of its divisors is an integer number (430209).

Almost surely, 2^3971070 is an apocalyptic number.

3971070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3971070 is an abundant number, since it is smaller than the sum of its proper divisors (6353946).

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

3971070 is a wasteful number, since it uses less digits than its factorization.

3971070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44136 (or 44133 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 3971070 is about 1992.7543752304. The cubic root of 3971070 is about 158.3564829187.

The spelling of 3971070 in words is "three million, nine hundred seventy-one thousand, seventy".