7904951 has 4 divisors (see below), whose sum is σ = 8013312. Its totient is φ = 7796592.

The previous prime is 7904947. The next prime is 7904957. The reversal of 7904951 is 1594097.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7904951 - 2² = 7904947 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 (7904957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54071 + ... + 54216.

It is an arithmetic number, because the mean of its divisors is an integer number (2003328).

Almost surely, 2^7904951 is an apocalyptic number.

7904951 is a deficient number, since it is larger than the sum of its proper divisors (108361).

7904951 is a wasteful number, since it uses less digits than its factorization.

7904951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108360.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 7904951 is about 2811.5744699367. The cubic root of 7904951 is about 199.2047672149.

The spelling of 7904951 in words is "seven million, nine hundred four thousand, nine hundred fifty-one".