43399474 has 8 divisors (see below), whose sum is σ = 66327660. Its totient is φ = 21290256.

The previous prime is 43399469. The next prime is 43399481. The reversal of 43399474 is 47499334.

It can be written as a sum of positive squares in 2 ways, for example, as 43362225 + 37249 = 6585^2 + 193^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 43399474.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204609 + ... + 204820.

Almost surely, 2^43399474 is an apocalyptic number.

43399474 is a deficient number, since it is larger than the sum of its proper divisors (22928186).

43399474 is a wasteful number, since it uses less digits than its factorization.

43399474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409484.

The product of its digits is 326592, while the sum is 43.

The square root of 43399474 is about 6587.8277148086. The cubic root of 43399474 is about 351.4213601377.

The spelling of 43399474 in words is "forty-three million, three hundred ninety-nine thousand, four hundred seventy-four".