32198838 has 16 divisors (see below), whose sum is σ = 73597440. Its totient is φ = 9199656.

The previous prime is 32198819. The next prime is 32198839. The reversal of 32198838 is 83889123.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 766639 = 32198838 / (3 + 2 + 1 + 9 + 8 + 8 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 32198838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32198839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383278 + ... + 383361.

It is an arithmetic number, because the mean of its divisors is an integer number (4599840).

Almost surely, 2^32198838 is an apocalyptic number.

32198838 is an abundant number, since it is smaller than the sum of its proper divisors (41398602).

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

32198838 is a wasteful number, since it uses less digits than its factorization.

32198838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766651.

The product of its digits is 82944, while the sum is 42.

The square root of 32198838 is about 5674.4019949242. The cubic root of 32198838 is about 318.1364273605.

The spelling of 32198838 in words is "thirty-two million, one hundred ninety-eight thousand, eight hundred thirty-eight".