18490102 has 8 divisors (see below), whose sum is σ = 27768456. Its totient is φ = 9233952.

The previous prime is 18490099. The next prime is 18490103. The reversal of 18490102 is 20109481.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18490103) 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, 3283 + ... + 6910.

It is an arithmetic number, because the mean of its divisors is an integer number (3471057).

Almost surely, 2^18490102 is an apocalyptic number.

18490102 is a deficient number, since it is larger than the sum of its proper divisors (9278354).

18490102 is a wasteful number, since it uses less digits than its factorization.

18490102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 18490102 is about 4300.0118604488. The cubic root of 18490102 is about 264.4314474830.

Adding to 18490102 its reverse (20109481), we get a palindrome (38599583).

The spelling of 18490102 in words is "eighteen million, four hundred ninety thousand, one hundred two".