3979484940 has 24 divisors (see below), whose sum is σ = 11142558000. Its totient is φ = 1061195968.

The previous prime is 3979484921. The next prime is 3979484959. The reversal of 3979484940 is 494849793.

3979484940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3979484921) and next prime (3979484959).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33162315 + ... + 33162434.

It is an arithmetic number, because the mean of its divisors is an integer number (464273250).

Almost surely, 2^3979484940 is an apocalyptic number.

3979484940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3979484940 is an abundant number, since it is smaller than the sum of its proper divisors (7163073060).

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

3979484940 is a wasteful number, since it uses less digits than its factorization.

3979484940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66324761 (or 66324759 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 57.

The square root of 3979484940 is about 63083.1589253423. The cubic root of 3979484940 is about 1584.6825968999.

The spelling of 3979484940 in words is "three billion, nine hundred seventy-nine million, four hundred eighty-four thousand, nine hundred forty".