83219256 has 24 divisors (see below), whose sum is σ = 225385680. Its totient is φ = 27739728.

The previous prime is 83219219. The next prime is 83219261. The reversal of 83219256 is 65291238.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a self number, because there is not a number n which added to its sum of digits gives 83219256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 577840 + ... + 577983.

It is an arithmetic number, because the mean of its divisors is an integer number (9391070).

Almost surely, 2^83219256 is an apocalyptic number.

It is an amenable number.

83219256 is an abundant number, since it is smaller than the sum of its proper divisors (142166424).

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

83219256 is a wasteful number, since it uses less digits than its factorization.

83219256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155835 (or 1155828 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 83219256 is about 9122.4588790523. The cubic root of 83219256 is about 436.5908298915.

The spelling of 83219256 in words is "eighty-three million, two hundred nineteen thousand, two hundred fifty-six".