42093998 has 16 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 20806776.

The previous prime is 42093977. The next prime is 42094007. The reversal of 42093998 is 89939024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109715 + ... + 110097.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 2^42093998 is an apocalyptic number.

42093998 is a deficient number, since it is larger than the sum of its proper divisors (21772882).

42093998 is a wasteful number, since it uses less digits than its factorization.

42093998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 42093998 is about 6487.9887484489. The cubic root of 42093998 is about 347.8617883794.

The spelling of 42093998 in words is "forty-two million, ninety-three thousand, nine hundred ninety-eight".