83621484 has 60 divisors (see below), whose sum is σ = 222239248. Its totient is φ = 27410400.

The previous prime is 83621479. The next prime is 83621501. The reversal of 83621484 is 48412638.

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

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, 17649 + ... + 21879.

Almost surely, 2^83621484 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 83621484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111119624).

83621484 is an abundant number, since it is smaller than the sum of its proper divisors (138617764).

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

83621484 is a wasteful number, since it uses less digits than its factorization.

83621484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308 (or 4297 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 83621484 is about 9144.4783339456. The cubic root of 83621484 is about 437.2930987942.

The spelling of 83621484 in words is "eighty-three million, six hundred twenty-one thousand, four hundred eighty-four".