43798431 has 8 divisors (see below), whose sum is σ = 58439680. Its totient is φ = 29178072.

The previous prime is 43798399. The next prime is 43798471. The reversal of 43798431 is 13489734.

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

It is not a de Polignac number, because 43798431 - 2⁵ = 43798399 is a prime.

It is a super-2 number, since 2×43798431² = 3836605116123522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43798431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43798471) 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, 600 + ... + 9378.

It is an arithmetic number, because the mean of its divisors is an integer number (7304960).

Almost surely, 2^43798431 is an apocalyptic number.

43798431 is a deficient number, since it is larger than the sum of its proper divisors (14641249).

43798431 is a wasteful number, since it uses less digits than its factorization.

43798431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10445.

The product of its digits is 72576, while the sum is 39.

The square root of 43798431 is about 6618.0383045129. The cubic root of 43798431 is about 352.4949106453.

The spelling of 43798431 in words is "forty-three million, seven hundred ninety-eight thousand, four hundred thirty-one".