7907949 has 24 divisors (see below), whose sum is σ = 13540800. Its totient is φ = 4517856.

The previous prime is 7907927. The next prime is 7907953. The reversal of 7907949 is 9497097.

It is not a de Polignac number, because 7907949 - 2⁹ = 7907437 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7907959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 624 + ... + 4025.

It is an arithmetic number, because the mean of its divisors is an integer number (564200).

Almost surely, 2^7907949 is an apocalyptic number.

It is an amenable number.

7907949 is a deficient number, since it is larger than the sum of its proper divisors (5632851).

7907949 is an equidigital number, since it uses as much as digits as its factorization.

7907949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671 (or 4659 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 7907949 is about 2812.1075726224. The cubic root of 7907949 is about 199.2299472322.

The spelling of 7907949 in words is "seven million, nine hundred seven thousand, nine hundred forty-nine".