83900010 has 96 divisors (see below), whose sum is σ = 217700352. Its totient is φ = 20684160.

The previous prime is 83899973. The next prime is 83900039. The reversal of 83900010 is 1000938.

It is a self number, because there is not a number n which added to its sum of digits gives 83900010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 660567 + ... + 660693.

It is an arithmetic number, because the mean of its divisors is an integer number (2267712).

Almost surely, 2^83900010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83900010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108850176).

83900010 is an abundant number, since it is smaller than the sum of its proper divisors (133800342).

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

83900010 is a wasteful number, since it uses less digits than its factorization.

83900010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 83900010 is about 9159.6948639133. The cubic root of 83900010 is about 437.7780719295.

Adding to 83900010 its reverse (1000938), we get a palindrome (84900948).

The spelling of 83900010 in words is "eighty-three million, nine hundred thousand, ten".