83912472 has 96 divisors (see below), whose sum is σ = 261031680. Its totient is φ = 23855040.

The previous prime is 83912471. The next prime is 83912473. The reversal of 83912472 is 27421938.

It is an interprime number because it is at equal distance from previous prime (83912471) and next prime (83912473).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83912471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166573 + ... + 167075.

It is an arithmetic number, because the mean of its divisors is an integer number (2719080).

Almost surely, 2^83912472 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 83912472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130515840).

83912472 is an abundant number, since it is smaller than the sum of its proper divisors (177119208).

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

83912472 is a wasteful number, since it uses less digits than its factorization.

83912472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 846 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 83912472 is about 9160.3751014901. The cubic root of 83912472 is about 437.7997458253.

The spelling of 83912472 in words is "eighty-three million, nine hundred twelve thousand, four hundred seventy-two".