7940308 has 6 divisors (see below), whose sum is σ = 13895546. Its totient is φ = 3970152.

The previous prime is 7940293. The next prime is 7940327. The reversal of 7940308 is 8030497.

It is a happy number.

7940308 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4656964 + 3283344 = 2158^2 + 1812^2 .

It is a super-2 number, since 2×7940308² = 126096982269728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7940308.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 992535 + ... + 992542.

Almost surely, 2^7940308 is an apocalyptic number.

It is an amenable number.

7940308 is a deficient number, since it is larger than the sum of its proper divisors (5955238).

7940308 is a wasteful number, since it uses less digits than its factorization.

7940308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985081 (or 1985079 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7940308 is about 2817.8552127460. The cubic root of 7940308 is about 199.5013243129.

The spelling of 7940308 in words is "seven million, nine hundred forty thousand, three hundred eight".