32112090 has 96 divisors (see below), whose sum is σ = 89294400. Its totient is φ = 7983360.

The previous prime is 32112089. The next prime is 32112103. The reversal of 32112090 is 9021123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152085 + ... + 152295.

It is an arithmetic number, because the mean of its divisors is an integer number (930150).

Almost surely, 2^32112090 is an apocalyptic number.

32112090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32112090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44647200).

32112090 is an abundant number, since it is smaller than the sum of its proper divisors (57182310).

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

32112090 is a wasteful number, since it uses less digits than its factorization.

32112090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 32112090 is about 5666.7530385574. The cubic root of 32112090 is about 317.8504696298.

The spelling of 32112090 in words is "thirty-two million, one hundred twelve thousand, ninety".