9990132 has 24 divisors (see below), whose sum is σ = 23807616. Its totient is φ = 3259008.

The previous prime is 9990131. The next prime is 9990133. The reversal of 9990132 is 2310999.

It is an interprime number because it is at equal distance from previous prime (9990131) and next prime (9990133).

It is a junction number, because it is equal to n+sod(n) for n = 9990093 and 9990102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9990131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8293 + ... + 9420.

It is an arithmetic number, because the mean of its divisors is an integer number (991984).

Almost surely, 2^9990132 is an apocalyptic number.

It is an amenable number.

9990132 is an abundant number, since it is smaller than the sum of its proper divisors (13817484).

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

9990132 is a wasteful number, since it uses less digits than its factorization.

9990132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17767 (or 17765 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 9990132 is about 3160.7170072628. The cubic root of 9990132 is about 215.3725791416.

The spelling of 9990132 in words is "nine million, nine hundred ninety thousand, one hundred thirty-two".