6990258 has 16 divisors (see below), whose sum is σ = 15251616. Its totient is φ = 2118240.

The previous prime is 6990253. The next prime is 6990259. The reversal of 6990258 is 8520996.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6990251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52891 + ... + 53022.

It is an arithmetic number, because the mean of its divisors is an integer number (953226).

Almost surely, 2^6990258 is an apocalyptic number.

6990258 is an abundant number, since it is smaller than the sum of its proper divisors (8261358).

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

6990258 is a wasteful number, since it uses less digits than its factorization.

6990258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105929.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 6990258 is about 2643.9096051113. The cubic root of 6990258 is about 191.2043352892.

The spelling of 6990258 in words is "six million, nine hundred ninety thousand, two hundred fifty-eight".