3900005018 has 48 divisors (see below), whose sum is σ = 7599029760. Its totient is φ = 1461631392.

The previous prime is 3900004991. The next prime is 3900005023. The reversal of 3900005018 is 8105000093.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36023 + ... + 95381.

It is an arithmetic number, because the mean of its divisors is an integer number (158313120).

Almost surely, 2^3900005018 is an apocalyptic number.

3900005018 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3900005018 is a deficient number, since it is larger than the sum of its proper divisors (3699024742).

3900005018 is a wasteful number, since it uses less digits than its factorization.

3900005018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59419 (or 59400 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 3900005018 is about 62450.0201601248. The cubic root of 3900005018 is about 1574.0615917284.

The spelling of 3900005018 in words is "three billion, nine hundred million, five thousand, eighteen".