6998131 has 12 divisors (see below), whose sum is σ = 8187480. Its totient is φ = 5964000.

The previous prime is 6998113. The next prime is 6998153. The reversal of 6998131 is 1318996.

It is not a de Polignac number, because 6998131 - 2⁹ = 6997619 is a prime.

It is a super-2 number, since 2×6998131² = 97947674986322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6998111) 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, 12015 + ... + 12583.

It is an arithmetic number, because the mean of its divisors is an integer number (682290).

Almost surely, 2^6998131 is an apocalyptic number.

6998131 is a deficient number, since it is larger than the sum of its proper divisors (1189349).

6998131 is a wasteful number, since it uses less digits than its factorization.

6998131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 827 counting only the distinct ones).

The product of its digits is 11664, while the sum is 37.

The square root of 6998131 is about 2645.3980796848. The cubic root of 6998131 is about 191.2760916743.

The spelling of 6998131 in words is "six million, nine hundred ninety-eight thousand, one hundred thirty-one".