7913906 has 64 divisors (see below), whose sum is σ = 16450560. Its totient is φ = 2756160.

The previous prime is 7913903. The next prime is 7913911. The reversal of 7913906 is 6093197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7913903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118085 + ... + 118151.

It is an arithmetic number, because the mean of its divisors is an integer number (257040).

Almost surely, 2^7913906 is an apocalyptic number.

7913906 is an abundant number, since it is smaller than the sum of its proper divisors (8536654).

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

7913906 is a wasteful number, since it uses less digits than its factorization.

7913906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 7913906 is about 2813.1665432391. The cubic root of 7913906 is about 199.2799608289.

The spelling of 7913906 in words is "seven million, nine hundred thirteen thousand, nine hundred six".