3990156201 has 16 divisors (see below), whose sum is σ = 5916201600. Its totient is φ = 2657917584.

The previous prime is 3990156187. The next prime is 3990156211. The reversal of 3990156201 is 1026510993.

3990156201 is a `hidden beast` number, since 3 + 9 + 90 + 1 + 562 + 0 + 1 = 666.

It is not a de Polignac number, because 3990156201 - 2⁷ = 3990156073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3990156211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26941 + ... + 93306.

It is an arithmetic number, because the mean of its divisors is an integer number (369762600).

Almost surely, 2^3990156201 is an apocalyptic number.

It is an amenable number.

3990156201 is a deficient number, since it is larger than the sum of its proper divisors (1926045399).

3990156201 is a wasteful number, since it uses less digits than its factorization.

3990156201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121485 (or 121479 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 3990156201 is about 63167.6832011433. The cubic root of 3990156201 is about 1586.0978109052.

The spelling of 3990156201 in words is "three billion, nine hundred ninety million, one hundred fifty-six thousand, two hundred one".