7904901 has 4 divisors (see below), whose sum is σ = 10539872. Its totient is φ = 5269932.

The previous prime is 7904887. The next prime is 7904903. The reversal of 7904901 is 1094097.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1094097 = 3 ⋅364699.

It is not a de Polignac number, because 7904901 - 2⁷ = 7904773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7904903) 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, 1317481 + ... + 1317486.

It is an arithmetic number, because the mean of its divisors is an integer number (2634968).

Almost surely, 2^7904901 is an apocalyptic number.

It is an amenable number.

7904901 is a deficient number, since it is larger than the sum of its proper divisors (2634971).

7904901 is a wasteful number, since it uses less digits than its factorization.

7904901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634970.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 7904901 is about 2811.5655781077. The cubic root of 7904901 is about 199.2043472140.

Adding to 7904901 its reverse (1094097), we get a palindrome (8998998).

The spelling of 7904901 in words is "seven million, nine hundred four thousand, nine hundred one".