3970908 has 36 divisors (see below), whose sum is σ = 10181808. Its totient is φ = 1304640.

The previous prime is 3970903. The next prime is 3970949. The reversal of 3970908 is 8090793.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3970908² = 31536220688928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1873 + ... + 3383.

It is an arithmetic number, because the mean of its divisors is an integer number (282828).

Almost surely, 2^3970908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3970908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5090904).

3970908 is an abundant number, since it is smaller than the sum of its proper divisors (6210900).

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

3970908 is a wasteful number, since it uses less digits than its factorization.

3970908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 3970908 is about 1992.7137275585. The cubic root of 3970908 is about 158.3543295025.

Subtracting 3970908 from its reverse (8090793), we obtain a triangular number (4119885 = T₂₈₇₀).

The spelling of 3970908 in words is "three million, nine hundred seventy thousand, nine hundred eight".