7924340 has 12 divisors (see below), whose sum is σ = 16641156. Its totient is φ = 3169728.

The previous prime is 7924309. The next prime is 7924373. The reversal of 7924340 is 434297.

It can be written as a sum of positive squares in 2 ways, for example, as 6091024 + 1833316 = 2468^2 + 1354^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 198089 + ... + 198128.

It is an arithmetic number, because the mean of its divisors is an integer number (1386763).

Almost surely, 2^7924340 is an apocalyptic number.

It is an amenable number.

7924340 is an abundant number, since it is smaller than the sum of its proper divisors (8716816).

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

7924340 is a wasteful number, since it uses less digits than its factorization.

7924340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396226 (or 396224 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 7924340 is about 2815.0204262136. The cubic root of 7924340 is about 199.3675018390.

The spelling of 7924340 in words is "seven million, nine hundred twenty-four thousand, three hundred forty".