32399142 has 32 divisors (see below), whose sum is σ = 69379200. Its totient is φ = 10055808.

The previous prime is 32399117. The next prime is 32399183. The reversal of 32399142 is 24199323.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4318 + ... + 9134.

It is an arithmetic number, because the mean of its divisors is an integer number (2168100).

Almost surely, 2^32399142 is an apocalyptic number.

32399142 is an abundant number, since it is smaller than the sum of its proper divisors (36980058).

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

32399142 is a wasteful number, since it uses less digits than its factorization.

32399142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900.

The product of its digits is 11664, while the sum is 33.

The square root of 32399142 is about 5692.0244201865. The cubic root of 32399142 is about 318.7947566526.

It can be divided in two parts, 3 and 2399142, that added together give a triangular number (2399145 = T₂₁₉₀).

The spelling of 32399142 in words is "thirty-two million, three hundred ninety-nine thousand, one hundred forty-two".