83510490 has 64 divisors (see below), whose sum is σ = 229791744. Its totient is φ = 19027008.

The previous prime is 83510489. The next prime is 83510509. The reversal of 83510490 is 9401538.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114507 + ... + 115233.

It is an arithmetic number, because the mean of its divisors is an integer number (3590496).

Almost surely, 2^83510490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83510490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114895872).

83510490 is an abundant number, since it is smaller than the sum of its proper divisors (146281254).

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

83510490 is a wasteful number, since it uses less digits than its factorization.

83510490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 83510490 is about 9138.4074104846. The cubic root of 83510490 is about 437.0995344982.

It can be divided in two parts, 835 and 10490, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 83510490 in words is "eighty-three million, five hundred ten thousand, four hundred ninety".