43998354 has 24 divisors (see below), whose sum is σ = 95485260. Its totient is φ = 14642208.

The previous prime is 43998349. The next prime is 43998373. The reversal of 43998354 is 45389934.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43917129 + 81225 = 6627^2 + 285^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12012 + ... + 15240.

Almost surely, 2^43998354 is an apocalyptic number.

43998354 is an abundant number, since it is smaller than the sum of its proper divisors (51486906).

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

43998354 is a wasteful number, since it uses less digits than its factorization.

43998354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994 (or 3991 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 43998354 is about 6633.1255076321. The cubic root of 43998354 is about 353.0304312403.

The spelling of 43998354 in words is "forty-three million, nine hundred ninety-eight thousand, three hundred fifty-four".