42998408 has 16 divisors (see below), whose sum is σ = 84127680. Its totient is φ = 20564368.

The previous prime is 42998383. The next prime is 42998419. The reversal of 42998408 is 80489924.

It is a happy number.

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, 116660 + ... + 117027.

It is an arithmetic number, because the mean of its divisors is an integer number (5257980).

Almost surely, 2^42998408 is an apocalyptic number.

It is an amenable number.

42998408 is a deficient number, since it is larger than the sum of its proper divisors (41129272).

42998408 is a wasteful number, since it uses less digits than its factorization.

42998408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233716 (or 233712 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 42998408 is about 6557.3171343164. The cubic root of 42998408 is about 350.3354824119.

The spelling of 42998408 in words is "forty-two million, nine hundred ninety-eight thousand, four hundred eight".