83398224 has 160 divisors (see below), whose sum is σ = 270371584. Its totient is φ = 21565440.

The previous prime is 83398169. The next prime is 83398267. The reversal of 83398224 is 42289338.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266292 + ... + 266604.

Almost surely, 2^83398224 is an apocalyptic number.

83398224 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83398224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135185792).

83398224 is an abundant number, since it is smaller than the sum of its proper divisors (186973360).

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

83398224 is a wasteful number, since it uses less digits than its factorization.

83398224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 399 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 83398224 is about 9132.2628083077. The cubic root of 83398224 is about 436.9035773906.

The spelling of 83398224 in words is "eighty-three million, three hundred ninety-eight thousand, two hundred twenty-four".