83481424 has 40 divisors (see below), whose sum is σ = 184441320. Its totient is φ = 36261888.

The previous prime is 83481403. The next prime is 83481427. The reversal of 83481424 is 42418438.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1904400 + 81577024 = 1380^2 + 9032^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 83481424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83481427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8269 + ... + 15340.

It is an arithmetic number, because the mean of its divisors is an integer number (4611033).

Almost surely, 2^83481424 is an apocalyptic number.

It is an amenable number.

83481424 is an abundant number, since it is smaller than the sum of its proper divisors (100959896).

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

83481424 is a wasteful number, since it uses less digits than its factorization.

83481424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23647 (or 23641 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 83481424 is about 9136.8169512145. The cubic root of 83481424 is about 437.0488174792.

The spelling of 83481424 in words is "eighty-three million, four hundred eighty-one thousand, four hundred twenty-four".