3921479502 has 32 divisors (see below), whose sum is σ = 8258582400. Its totient is φ = 1237936608.

The previous prime is 3921479501. The next prime is 3921479531. The reversal of 3921479502 is 2059741293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921479501) 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, 589149 + ... + 595767.

It is an arithmetic number, because the mean of its divisors is an integer number (258080700).

Almost surely, 2^3921479502 is an apocalyptic number.

3921479502 is an abundant number, since it is smaller than the sum of its proper divisors (4337102898).

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

3921479502 is a wasteful number, since it uses less digits than its factorization.

3921479502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11840.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 3921479502 is about 62621.7174948117. The cubic root of 3921479502 is about 1576.9453750500.

The spelling of 3921479502 in words is "three billion, nine hundred twenty-one million, four hundred seventy-nine thousand, five hundred two".