7909946 has 16 divisors (see below), whose sum is σ = 13003200. Its totient is φ = 3578880.

The previous prime is 7909943. The next prime is 7909949. The reversal of 7909946 is 6499097.

It is an interprime number because it is at equal distance from previous prime (7909943) and next prime (7909949).

It is a junction number, because it is equal to n+sod(n) for n = 7909897 and 7909906.

It is not an unprimeable number, because it can be changed into a prime (7909943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4955 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (812700).

Almost surely, 2^7909946 is an apocalyptic number.

7909946 is a deficient number, since it is larger than the sum of its proper divisors (5093254).

7909946 is a wasteful number, since it uses less digits than its factorization.

7909946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 7909946 is about 2812.4626219738. The cubic root of 7909946 is about 199.2467163809.

The spelling of 7909946 in words is "seven million, nine hundred nine thousand, nine hundred forty-six".