32128630 has 8 divisors (see below), whose sum is σ = 57831552. Its totient is φ = 12851448.

The previous prime is 32128619. The next prime is 32128673. The reversal of 32128630 is 3682123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 32128595 and 32128604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1606422 + ... + 1606441.

It is an arithmetic number, because the mean of its divisors is an integer number (7228944).

Almost surely, 2^32128630 is an apocalyptic number.

32128630 is a deficient number, since it is larger than the sum of its proper divisors (25702922).

32128630 is a wasteful number, since it uses less digits than its factorization.

32128630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212870.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 32128630 is about 5668.2122402041. The cubic root of 32128630 is about 317.9050320953.

The spelling of 32128630 in words is "thirty-two million, one hundred twenty-eight thousand, six hundred thirty".