18649314 has 12 divisors (see below), whose sum is σ = 40406886. Its totient is φ = 6216432.

The previous prime is 18649313. The next prime is 18649331. The reversal of 18649314 is 41394681.

18649314 is a `hidden beast` number, since 1 + 8 + 649 + 3 + 1 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17918289 + 731025 = 4233^2 + 855^2 .

It is not an unprimeable number, because it can be changed into a prime (18649313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 518019 + ... + 518054.

Almost surely, 2^18649314 is an apocalyptic number.

18649314 is an abundant number, since it is smaller than the sum of its proper divisors (21757572).

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

18649314 is a wasteful number, since it uses less digits than its factorization.

18649314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036081 (or 1036078 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 18649314 is about 4318.4851510686. The cubic root of 18649314 is about 265.1882559311.

The spelling of 18649314 in words is "eighteen million, six hundred forty-nine thousand, three hundred fourteen".