32000018 has 16 divisors (see below), whose sum is σ = 51279480. Its totient is φ = 14923776.

The previous prime is 32000011. The next prime is 32000053. The reversal of 32000018 is 81000023.

It can be written as a sum of positive squares in 4 ways, for example, as 16024009 + 15976009 = 4003^2 + 3997^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31999966 and 32000011.

It is not an unprimeable number, because it can be changed into a prime (32000011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323 + ... + 8006.

Almost surely, 2^32000018 is an apocalyptic number.

32000018 is a deficient number, since it is larger than the sum of its proper divisors (19279462).

32000018 is a wasteful number, since it uses less digits than its factorization.

32000018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8461.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 32000018 is about 5656.8558404824. The cubic root of 32000018 is about 317.4802699212.

It can be divided in two parts, 320000 and 18, that multiplied together give a square (5760000 = 2400²).

The spelling of 32000018 in words is "thirty-two million, eighteen", and thus it is an aban number and an uban number.