32430138 has 32 divisors (see below), whose sum is σ = 72890496. Its totient is φ = 9544128.

The previous prime is 32430121. The next prime is 32430143. The reversal of 32430138 is 83103423.

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, 7245 + ... + 10832.

It is an arithmetic number, because the mean of its divisors is an integer number (2277828).

Almost surely, 2^32430138 is an apocalyptic number.

32430138 is an abundant number, since it is smaller than the sum of its proper divisors (40460358).

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

32430138 is a wasteful number, since it uses less digits than its factorization.

32430138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18118.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 32430138 is about 5694.7465264048. The cubic root of 32430138 is about 318.8963870478.

The spelling of 32430138 in words is "thirty-two million, four hundred thirty thousand, one hundred thirty-eight".