42098472 has 96 divisors (see below), whose sum is σ = 125896680. Its totient is φ = 12625920.

The previous prime is 42098467. The next prime is 42098521. The reversal of 42098472 is 27489024.

It can be written as a sum of positive squares in 4 ways, for example, as 13003236 + 29095236 = 3606^2 + 5394^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37828 + ... + 38924.

Almost surely, 2^42098472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42098472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62948340).

42098472 is an abundant number, since it is smaller than the sum of its proper divisors (83798208).

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

42098472 is a wasteful number, since it uses less digits than its factorization.

42098472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 42098472 is about 6488.3335302680. Note that the first 3 decimals coincide. The cubic root of 42098472 is about 347.8741122147.

The spelling of 42098472 in words is "forty-two million, ninety-eight thousand, four hundred seventy-two".