6994405 has 16 divisors (see below), whose sum is σ = 9240768. Its totient is φ = 5082000.

The previous prime is 6994387. The next prime is 6994409. The reversal of 6994405 is 5044996.

It is not a de Polignac number, because 6994405 - 2⁵ = 6994373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6994409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6130 + ... + 7180.

It is an arithmetic number, because the mean of its divisors is an integer number (577548).

Almost surely, 2^6994405 is an apocalyptic number.

It is an amenable number.

6994405 is a deficient number, since it is larger than the sum of its proper divisors (2246363).

6994405 is a wasteful number, since it uses less digits than its factorization.

6994405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6994405 is about 2644.6937440846. The cubic root of 6994405 is about 191.2421387402.

The spelling of 6994405 in words is "six million, nine hundred ninety-four thousand, four hundred five".