83438544 has 80 divisors (see below), whose sum is σ = 247984128. Its totient is φ = 23680896.

The previous prime is 83438543. The next prime is 83438569. The reversal of 83438544 is 44583438.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83438543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55369 + ... + 56855.

Almost surely, 2^83438544 is an apocalyptic number.

83438544 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 83438544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123992064).

83438544 is an abundant number, since it is smaller than the sum of its proper divisors (164545584).

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

83438544 is a wasteful number, since it uses less digits than its factorization.

83438544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1666 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 83438544 is about 9134.4700995734. The cubic root of 83438544 is about 436.9739750292.

The spelling of 83438544 in words is "eighty-three million, four hundred thirty-eight thousand, five hundred forty-four".