6900018 has 16 divisors (see below), whose sum is σ = 13975680. Its totient is φ = 2270736.

The previous prime is 6900001. The next prime is 6900053. The reversal of 6900018 is 8100096.

It is a super-2 number, since 2×6900018² = 95220496800648, which contains 22 as substring.

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, 6805 + ... + 7752.

It is an arithmetic number, because the mean of its divisors is an integer number (873480).

Almost surely, 2^6900018 is an apocalyptic number.

6900018 is an abundant number, since it is smaller than the sum of its proper divisors (7075662).

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

6900018 is a wasteful number, since it uses less digits than its factorization.

6900018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14641.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 6900018 is about 2626.7885335519. The cubic root of 6900018 is about 190.3779917421.

The spelling of 6900018 in words is "six million, nine hundred thousand, eighteen".