3930480981 has 12 divisors (see below), whose sum is σ = 6488413152. Its totient is φ = 2245989096.

The previous prime is 3930480959. The next prime is 3930481021. The reversal of 3930480981 is 1890840393.

3930480981 is a `hidden beast` number, since 3 + 93 + 0 + 480 + 9 + 81 = 666.

It is not a de Polignac number, because 3930480981 - 2²³ = 3922092373 is a prime.

It is a super-2 number, since 2×3930480981² = 30897361484005444722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930480181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31194231 + ... + 31194356.

It is an arithmetic number, because the mean of its divisors is an integer number (540701096).

Almost surely, 2^3930480981 is an apocalyptic number.

It is an amenable number.

3930480981 is a deficient number, since it is larger than the sum of its proper divisors (2557932171).

3930480981 is a wasteful number, since it uses less digits than its factorization.

3930480981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62388600 (or 62388597 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 3930480981 is about 62693.5481608754. The cubic root of 3930480981 is about 1578.1510418921.

The spelling of 3930480981 in words is "three billion, nine hundred thirty million, four hundred eighty thousand, nine hundred eighty-one".