32005998 has 12 divisors (see below), whose sum is σ = 69346368. Its totient is φ = 10668660.

The previous prime is 32005993. The next prime is 32006017. The reversal of 32005998 is 89950023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32005993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 889038 + ... + 889073.

It is an arithmetic number, because the mean of its divisors is an integer number (5778864).

Almost surely, 2^32005998 is an apocalyptic number.

32005998 is an abundant number, since it is smaller than the sum of its proper divisors (37340370).

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

32005998 is a wasteful number, since it uses less digits than its factorization.

32005998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778119 (or 1778116 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 32005998 is about 5657.3843779613. The cubic root of 32005998 is about 317.5000450534.

The spelling of 32005998 in words is "thirty-two million, five thousand, nine hundred ninety-eight".