42169398 has 32 divisors (see below), whose sum is σ = 90119040. Its totient is φ = 13115520.

The previous prime is 42169349. The next prime is 42169409. The reversal of 42169398 is 89396124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4878 + ... + 10398.

It is an arithmetic number, because the mean of its divisors is an integer number (2816220).

Almost surely, 2^42169398 is an apocalyptic number.

42169398 is an abundant number, since it is smaller than the sum of its proper divisors (47949642).

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

42169398 is a wasteful number, since it uses less digits than its factorization.

42169398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612.

The product of its digits is 93312, while the sum is 42.

The square root of 42169398 is about 6493.7968862600. The cubic root of 42169398 is about 348.0693645586.

The spelling of 42169398 in words is "forty-two million, one hundred sixty-nine thousand, three hundred ninety-eight".