18492002 has 8 divisors (see below), whose sum is σ = 28007616. Its totient is φ = 9156132.

The previous prime is 18491999. The next prime is 18492007. The reversal of 18492002 is 20029481.

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

It is not an unprimeable number, because it can be changed into a prime (18492007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44678 + ... + 45089.

It is an arithmetic number, because the mean of its divisors is an integer number (3500952).

Almost surely, 2^18492002 is an apocalyptic number.

18492002 is a deficient number, since it is larger than the sum of its proper divisors (9515614).

18492002 is a wasteful number, since it uses less digits than its factorization.

18492002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89872.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 18492002 is about 4300.2327843967. The cubic root of 18492002 is about 264.4405046268.

The spelling of 18492002 in words is "eighteen million, four hundred ninety-two thousand, two".