18614402 has 8 divisors (see below), whose sum is σ = 28076412. Its totient is φ = 9255600.

The previous prime is 18614381. The next prime is 18614413. The reversal of 18614402 is 20441681.

It can be written as a sum of positive squares in 2 ways, for example, as 17147881 + 1466521 = 4141^2 + 1211^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25349 + ... + 26072.

Almost surely, 2^18614402 is an apocalyptic number.

18614402 is a deficient number, since it is larger than the sum of its proper divisors (9462010).

18614402 is a wasteful number, since it uses less digits than its factorization.

18614402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51604.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 18614402 is about 4314.4410993778. The cubic root of 18614402 is about 265.0226727961.

The spelling of 18614402 in words is "eighteen million, six hundred fourteen thousand, four hundred two".