3970944 has 80 divisors (see below), whose sum is σ = 11848320. Its totient is φ = 1320192.

The previous prime is 3970903. The next prime is 3970949. The reversal of 3970944 is 4490793.

It is a super-2 number, since 2×3970944² = 31536792502272, which contains 22 as substring.

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

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 3970899 and 3970908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970949) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10177 + ... + 10559.

It is an arithmetic number, because the mean of its divisors is an integer number (148104).

Almost surely, 2^3970944 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 3970944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5924160).

3970944 is an abundant number, since it is smaller than the sum of its proper divisors (7877376).

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

3970944 is an equidigital number, since it uses as much as digits as its factorization.

3970944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3970944 is about 1992.7227604461. The cubic root of 3970944 is about 158.3548080445.

The spelling of 3970944 in words is "three million, nine hundred seventy thousand, nine hundred forty-four".