990000760 has 128 divisors (see below), whose sum is σ = 2641766400. Its totient is φ = 326845440.

The previous prime is 990000743. The next prime is 990000761. The reversal of 990000760 is 67000099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990000761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 952321 + ... + 953359.

It is an arithmetic number, because the mean of its divisors is an integer number (20638800).

Almost surely, 2^990000760 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 990000760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320883200).

990000760 is an abundant number, since it is smaller than the sum of its proper divisors (1651765640).

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

990000760 is a wasteful number, since it uses less digits than its factorization.

990000760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 990000760 is about 31464.2775222950. The cubic root of 990000760 is about 996.6557484490.

The spelling of 990000760 in words is "nine hundred ninety million, seven hundred sixty", and thus it is an aban number.