83894272 has 168 divisors, whose sum is σ = 224119440. Its totient is φ = 30965760.

The previous prime is 83894263. The next prime is 83894273. The reversal of 83894272 is 27249838.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (83894273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4415479 + ... + 4415497.

Almost surely, 2^83894272 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 83894272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112059720).

83894272 is an abundant number, since it is smaller than the sum of its proper divisors (140225168).

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

83894272 is a wasteful number, since it uses less digits than its factorization.

83894272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 39 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 83894272 is about 9159.3816385169. The cubic root of 83894272 is about 437.7680916850.

The spelling of 83894272 in words is "eighty-three million, eight hundred ninety-four thousand, two hundred seventy-two".