3930331572 has 144 divisors (see below), whose sum is σ = 10596418560. Its totient is φ = 1273218912.

The previous prime is 3930331567. The next prime is 3930331591. The reversal of 3930331572 is 2751330393.

3930331572 is a `hidden beast` number, since 39 + 303 + 315 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10370079 + ... + 10370457.

It is an arithmetic number, because the mean of its divisors is an integer number (73586240).

Almost surely, 2^3930331572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3930331572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5298209280).

3930331572 is an abundant number, since it is smaller than the sum of its proper divisors (6666086988).

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

3930331572 is a wasteful number, since it uses less digits than its factorization.

3930331572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 36.

The square root of 3930331572 is about 62692.3565676072. The cubic root of 3930331572 is about 1578.1310449369.

The spelling of 3930331572 in words is "three billion, nine hundred thirty million, three hundred thirty-one thousand, five hundred seventy-two".