6889974 has 32 divisors (see below), whose sum is σ = 16961280. Its totient is φ = 1816992.

The previous prime is 6889969. The next prime is 6889997. The reversal of 6889974 is 4799886.

6889974 = 722² + 723² + ... + 734².

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5764 + ... + 6855.

It is an arithmetic number, because the mean of its divisors is an integer number (530040).

Almost surely, 2^6889974 is an apocalyptic number.

6889974 is an abundant number, since it is smaller than the sum of its proper divisors (10071306).

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

6889974 is a wasteful number, since it uses less digits than its factorization.

6889974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12644.

The product of its digits is 870912, while the sum is 51.

The square root of 6889974 is about 2624.8759970711. The cubic root of 6889974 is about 190.2855724127.

The spelling of 6889974 in words is "six million, eight hundred eighty-nine thousand, nine hundred seventy-four".