6994428 has 24 divisors (see below), whose sum is σ = 18652032. Its totient is φ = 1998384.

The previous prime is 6994417. The next prime is 6994433. The reversal of 6994428 is 8244996.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 6994428.

It is a congruent number.

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, 41550 + ... + 41717.

It is an arithmetic number, because the mean of its divisors is an integer number (777168).

Almost surely, 2^6994428 is an apocalyptic number.

It is an amenable number.

6994428 is an abundant number, since it is smaller than the sum of its proper divisors (11657604).

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

6994428 is a wasteful number, since it uses less digits than its factorization.

6994428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83281 (or 83279 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 6994428 is about 2644.6980924105. The cubic root of 6994428 is about 191.2423483632.

The spelling of 6994428 in words is "six million, nine hundred ninety-four thousand, four hundred twenty-eight".