32133890 has 16 divisors (see below), whose sum is σ = 58656960. Its totient is φ = 12672240.

The previous prime is 32133889. The next prime is 32133911. The reversal of 32133890 is 9833123.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21920 + ... + 23339.

It is an arithmetic number, because the mean of its divisors is an integer number (3666060).

Almost surely, 2^32133890 is an apocalyptic number.

32133890 is a deficient number, since it is larger than the sum of its proper divisors (26523070).

32133890 is a wasteful number, since it uses less digits than its factorization.

32133890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45337.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 32133890 is about 5668.6762123092. The cubic root of 32133890 is about 317.9223799584.

The spelling of 32133890 in words is "thirty-two million, one hundred thirty-three thousand, eight hundred ninety".