7944358 has 8 divisors (see below), whose sum is σ = 12010752. Its totient is φ = 3940776.

The previous prime is 7944353. The next prime is 7944373. The reversal of 7944358 is 8534497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7944358² = 126225648064328, 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 7944358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7944353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15385 + ... + 15892.

It is an arithmetic number, because the mean of its divisors is an integer number (1501344).

Almost surely, 2^7944358 is an apocalyptic number.

7944358 is a deficient number, since it is larger than the sum of its proper divisors (4066394).

7944358 is a wasteful number, since it uses less digits than its factorization.

7944358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31406.

The product of its digits is 120960, while the sum is 40.

The square root of 7944358 is about 2818.5737528048. The cubic root of 7944358 is about 199.5352374823.

The spelling of 7944358 in words is "seven million, nine hundred forty-four thousand, three hundred fifty-eight".