83804544 has 160 divisors (see below), whose sum is σ = 255479400. Its totient is φ = 27260928.

The previous prime is 83804537. The next prime is 83804557. The reversal of 83804544 is 44540838.

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

It is a junction number, because it is equal to n+sod(n) for n = 83804499 and 83804508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 611644 + ... + 611780.

Almost surely, 2^83804544 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 83804544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127739700).

83804544 is an abundant number, since it is smaller than the sum of its proper divisors (171674856).

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

83804544 is a wasteful number, since it uses less digits than its factorization.

83804544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 83804544 is about 9154.4821808773. The cubic root of 83804544 is about 437.6119663360.

It can be divided in two parts, 83804 and 544, that added together give a palindrome (84348).

The spelling of 83804544 in words is "eighty-three million, eight hundred four thousand, five hundred forty-four".