102390018 has 8 divisors (see below), whose sum is σ = 204780048. Its totient is φ = 34130004.

The previous prime is 102389983. The next prime is 102390037. The reversal of 102390018 is 810093201.

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

102390018 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 102390018.

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, 8532496 + ... + 8532507.

It is an arithmetic number, because the mean of its divisors is an integer number (25597506).

Almost surely, 2^102390018 is an apocalyptic number.

102390018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102390018 is a wasteful number, since it uses less digits than its factorization.

102390018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17065008.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 102390018 is about 10118.7952840247. The cubic root of 102390018 is about 467.8276357737.

The spelling of 102390018 in words is "one hundred two million, three hundred ninety thousand, eighteen".