18490354 has 8 divisors (see below), whose sum is σ = 28005120. Its totient is φ = 9155316.

The previous prime is 18490319. The next prime is 18490391. The reversal of 18490354 is 45309481.

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, 44674 + ... + 45085.

It is an arithmetic number, because the mean of its divisors is an integer number (3500640).

Almost surely, 2^18490354 is an apocalyptic number.

18490354 is a deficient number, since it is larger than the sum of its proper divisors (9514766).

18490354 is a wasteful number, since it uses less digits than its factorization.

18490354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89864.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 18490354 is about 4300.0411625937. The cubic root of 18490354 is about 264.4326487819.

The spelling of 18490354 in words is "eighteen million, four hundred ninety thousand, three hundred fifty-four".