8990032 has 20 divisors (see below), whose sum is σ = 17477056. Its totient is φ = 4479840.

The previous prime is 8990027. The next prime is 8990039. The reversal of 8990032 is 2300998.

It is a happy number.

It is a super-2 number, since 2×8990032² = 161641350722048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8989976 and 8990003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5107 + ... + 6637.

Almost surely, 2^8990032 is an apocalyptic number.

It is an amenable number.

8990032 is a deficient number, since it is larger than the sum of its proper divisors (8487024).

8990032 is a wasteful number, since it uses less digits than its factorization.

8990032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906 (or 1900 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 8990032 is about 2998.3382064070. The cubic root of 8990032 is about 207.9315603235.

The spelling of 8990032 in words is "eight million, nine hundred ninety thousand, thirty-two".