43998379 has 8 divisors (see below), whose sum is σ = 46172160. Its totient is φ = 41846376.

The previous prime is 43998377. The next prime is 43998389. The reversal of 43998379 is 97389934.

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

It is a cyclic number.

It is not a de Polignac number, because 43998379 - 2¹ = 43998377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43998373) 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, 1227 + ... + 9460.

It is an arithmetic number, because the mean of its divisors is an integer number (5771520).

Almost surely, 2^43998379 is an apocalyptic number.

43998379 is a deficient number, since it is larger than the sum of its proper divisors (2173781).

43998379 is a wasteful number, since it uses less digits than its factorization.

43998379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10889.

The product of its digits is 1469664, while the sum is 52.

The square root of 43998379 is about 6633.1273921130. The cubic root of 43998379 is about 353.0304981046.

The spelling of 43998379 in words is "forty-three million, nine hundred ninety-eight thousand, three hundred seventy-nine".