18950498 has 8 divisors (see below), whose sum is σ = 32486592. Its totient is φ = 8121636.

The previous prime is 18950497. The next prime is 18950507. The reversal of 18950498 is 89405981.

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 (18950497) 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, 676790 + ... + 676817.

It is an arithmetic number, because the mean of its divisors is an integer number (4060824).

Almost surely, 2^18950498 is an apocalyptic number.

18950498 is a deficient number, since it is larger than the sum of its proper divisors (13536094).

18950498 is a wasteful number, since it uses less digits than its factorization.

18950498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353616.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 18950498 is about 4353.2169713902. The cubic root of 18950498 is about 266.6082243456.

The spelling of 18950498 in words is "eighteen million, nine hundred fifty thousand, four hundred ninety-eight".