3937293520 has 20 divisors (see below), whose sum is σ = 9154207620. Its totient is φ = 1574917376.

The previous prime is 3937293511. The next prime is 3937293523. The reversal of 3937293520 is 253927393.

3937293520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 899520064 + 3037773456 = 29992^2 + 55116^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3937293523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24608005 + ... + 24608164.

It is an arithmetic number, because the mean of its divisors is an integer number (457710381).

Almost surely, 2^3937293520 is an apocalyptic number.

It is an amenable number.

3937293520 is an abundant number, since it is smaller than the sum of its proper divisors (5216914100).

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

3937293520 is a wasteful number, since it uses less digits than its factorization.

3937293520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49216182 (or 49216176 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 43.

The square root of 3937293520 is about 62747.8566964641. The cubic root of 3937293520 is about 1579.0622967744.

The spelling of 3937293520 in words is "three billion, nine hundred thirty-seven million, two hundred ninety-three thousand, five hundred twenty".