83646492 has 48 divisors (see below), whose sum is σ = 209190912. Its totient is φ = 25945920.

The previous prime is 83646457. The next prime is 83646499. The reversal of 83646492 is 29464638.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83646499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6117 + ... + 14307.

It is an arithmetic number, because the mean of its divisors is an integer number (4358144).

Almost surely, 2^83646492 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 83646492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104595456).

83646492 is an abundant number, since it is smaller than the sum of its proper divisors (125544420).

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

83646492 is a wasteful number, since it uses less digits than its factorization.

83646492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8258 (or 8256 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 83646492 is about 9145.8456142666. The cubic root of 83646492 is about 437.3366870178.

The spelling of 83646492 in words is "eighty-three million, six hundred forty-six thousand, four hundred ninety-two".