18964010 has 32 divisors (see below), whose sum is σ = 38927952. Its totient is φ = 6589440.

The previous prime is 18964007. The next prime is 18964037. The reversal of 18964010 is 1046981.

It can be written as a sum of positive squares in 8 ways, for example, as 1466521 + 17497489 = 1211^2 + 4183^2 .

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 15 ways as a sum of consecutive naturals, for example, 2081 + ... + 6500.

Almost surely, 2^18964010 is an apocalyptic number.

18964010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18964010 is an abundant number, since it is smaller than the sum of its proper divisors (19963942).

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

18964010 is a wasteful number, since it uses less digits than its factorization.

18964010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8618.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 18964010 is about 4354.7686505715. The cubic root of 18964010 is about 266.6715745624.

The spelling of 18964010 in words is "eighteen million, nine hundred sixty-four thousand, ten".