990860130 has 192 divisors, whose sum is σ = 3034257408. Its totient is φ = 222013440.

The previous prime is 990860093. The next prime is 990860153. The reversal of 990860130 is 31068099.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 615787 + ... + 617393.

It is an arithmetic number, because the mean of its divisors is an integer number (15803424).

Almost surely, 2^990860130 is an apocalyptic number.

990860130 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 990860130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517128704).

990860130 is an abundant number, since it is smaller than the sum of its proper divisors (2043397278).

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

990860130 is a wasteful number, since it uses less digits than its factorization.

990860130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 990860130 is about 31477.9308405111. The cubic root of 990860130 is about 996.9440473330.

The spelling of 990860130 in words is "nine hundred ninety million, eight hundred sixty thousand, one hundred thirty".