3970406220 has 96 divisors (see below), whose sum is σ = 12519069696. Its totient is φ = 931468800.

The previous prime is 3970406203. The next prime is 3970406221. The reversal of 3970406220 is 226040793.

It is a super-3 number, since 3×3970406220³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3970406221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76569 + ... + 117488.

It is an arithmetic number, because the mean of its divisors is an integer number (130406976).

Almost surely, 2^3970406220 is an apocalyptic number.

3970406220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3970406220 is an abundant number, since it is smaller than the sum of its proper divisors (8548663476).

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

3970406220 is a wasteful number, since it uses less digits than its factorization.

3970406220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194111 (or 194109 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 3970406220 is about 63011.1594878241. The cubic root of 3970406220 is about 1583.4765912360.

The spelling of 3970406220 in words is "three billion, nine hundred seventy million, four hundred six thousand, two hundred twenty".