958986990 has 48 divisors (see below), whose sum is σ = 2685166848. Its totient is φ = 236058048.

The previous prime is 958986971. The next prime is 958986991. The reversal of 958986990 is 99689859.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (958986991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408654 + ... + 410993.

It is an arithmetic number, because the mean of its divisors is an integer number (55940976).

Almost surely, 2^958986990 is an apocalyptic number.

958986990 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

958986990 is an abundant number, since it is smaller than the sum of its proper divisors (1726179858).

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

958986990 is a wasteful number, since it uses less digits than its factorization.

958986990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819673 (or 819670 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 63.

The square root of 958986990 is about 30967.5150762860. The cubic root of 958986990 is about 986.1377218490.

The spelling of 958986990 in words is "nine hundred fifty-eight million, nine hundred eighty-six thousand, nine hundred ninety".