3979742460 has 48 divisors (see below), whose sum is σ = 11295938976. Its totient is φ = 1046725632.

The previous prime is 3979742453. The next prime is 3979742461. The reversal of 3979742460 is 642479793.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979742461) 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, 449929 + ... + 458688.

It is an arithmetic number, because the mean of its divisors is an integer number (235332062).

Almost surely, 2^3979742460 is an apocalyptic number.

3979742460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3979742460 is an abundant number, since it is smaller than the sum of its proper divisors (7316196516).

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

3979742460 is a wasteful number, since it uses less digits than its factorization.

3979742460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908702 (or 908700 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 51.

The square root of 3979742460 is about 63085.2000076088. The cubic root of 3979742460 is about 1584.7167787657.

The spelling of 3979742460 in words is "three billion, nine hundred seventy-nine million, seven hundred forty-two thousand, four hundred sixty".