90851130 has 24 divisors (see below), whose sum is σ = 236213172. Its totient is φ = 24226944.

The previous prime is 90851119. The next prime is 90851149. The reversal of 90851130 is 3115809.

It can be written as a sum of positive squares in 2 ways, for example, as 77739489 + 13111641 = 8817^2 + 3621^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90851094 and 90851103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 504639 + ... + 504818.

Almost surely, 2^90851130 is an apocalyptic number.

90851130 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

90851130 is an abundant number, since it is smaller than the sum of its proper divisors (145362042).

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

90851130 is a wasteful number, since it uses less digits than its factorization.

90851130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009470 (or 1009467 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 90851130 is about 9531.5859121135. The cubic root of 90851130 is about 449.5487327985.

Adding to 90851130 its reverse (3115809), we get a palindrome (93966939).

The spelling of 90851130 in words is "ninety million, eight hundred fifty-one thousand, one hundred thirty".