3990601624 has 32 divisors (see below), whose sum is σ = 7942989600. Its totient is φ = 1873077760.

The previous prime is 3990601621. The next prime is 3990601679. The reversal of 3990601624 is 4261060993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990601621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15189 + ... + 90619.

It is an arithmetic number, because the mean of its divisors is an integer number (248218425).

Almost surely, 2^3990601624 is an apocalyptic number.

3990601624 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3990601624 is a deficient number, since it is larger than the sum of its proper divisors (3952387976).

3990601624 is a wasteful number, since it uses less digits than its factorization.

3990601624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75843 (or 75839 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 3990601624 is about 63171.2088217409. The cubic root of 3990601624 is about 1586.1568276557.

The spelling of 3990601624 in words is "three billion, nine hundred ninety million, six hundred one thousand, six hundred twenty-four".