6890919 has 12 divisors (see below), whose sum is σ = 10688184. Its totient is φ = 3937584.

The previous prime is 6890861. The next prime is 6890957. The reversal of 6890919 is 9190986.

It is not a de Polignac number, because 6890919 - 2⁷ = 6890791 is a prime.

It is a super-2 number, since 2×6890919² = 94969529329122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890969) 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, 23292 + ... + 23585.

It is an arithmetic number, because the mean of its divisors is an integer number (890682).

Almost surely, 2^6890919 is an apocalyptic number.

6890919 is a deficient number, since it is larger than the sum of its proper divisors (3797265).

6890919 is a wasteful number, since it uses less digits than its factorization.

6890919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46894 (or 46887 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 6890919 is about 2625.0559994027. The cubic root of 6890919 is about 190.2942716059.

The spelling of 6890919 in words is "six million, eight hundred ninety thousand, nine hundred nineteen".