18900514 has 8 divisors (see below), whose sum is σ = 29265408. Its totient is φ = 9145380.

The previous prime is 18900487. The next prime is 18900529. The reversal of 18900514 is 41500981.

It is a happy number.

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

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, 152362 + ... + 152485.

It is an arithmetic number, because the mean of its divisors is an integer number (3658176).

Almost surely, 2^18900514 is an apocalyptic number.

18900514 is a deficient number, since it is larger than the sum of its proper divisors (10364894).

18900514 is a wasteful number, since it uses less digits than its factorization.

18900514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304880.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 18900514 is about 4347.4721390712. The cubic root of 18900514 is about 266.3736152239.

The spelling of 18900514 in words is "eighteen million, nine hundred thousand, five hundred fourteen".