83749446 has 96 divisors (see below), whose sum is σ = 212284800. Its totient is φ = 23581440.

The previous prime is 83749439. The next prime is 83749447. The reversal of 83749446 is 64494738.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83749447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 467785 + ... + 467963.

It is an arithmetic number, because the mean of its divisors is an integer number (2211300).

Almost surely, 2^83749446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83749446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106142400).

83749446 is an abundant number, since it is smaller than the sum of its proper divisors (128535354).

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

83749446 is a wasteful number, since it uses less digits than its factorization.

83749446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 351 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 83749446 is about 9151.4723405581. The cubic root of 83749446 is about 437.5160414254.

The spelling of 83749446 in words is "eighty-three million, seven hundred forty-nine thousand, four hundred forty-six".