3990022871 has 16 divisors (see below), whose sum is σ = 4174586976. Its totient is φ = 3810240000.

The previous prime is 3990022837. The next prime is 3990022889. The reversal of 3990022871 is 1782200993.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3990022871 - 2¹⁴ = 3990006487 is a prime.

It is a super-2 number, since 2×3990022871² = 31840565022206165282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990022171) 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, 523931 + ... + 531491.

It is an arithmetic number, because the mean of its divisors is an integer number (260911686).

Almost surely, 2^3990022871 is an apocalyptic number.

3990022871 is a deficient number, since it is larger than the sum of its proper divisors (184564105).

3990022871 is a wasteful number, since it uses less digits than its factorization.

3990022871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7874.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 3990022871 is about 63166.6278267251. The cubic root of 3990022871 is about 1586.0801443641.

The spelling of 3990022871 in words is "three billion, nine hundred ninety million, twenty-two thousand, eight hundred seventy-one".