102798238 has 8 divisors (see below), whose sum is σ = 154260288. Its totient is φ = 51378144.

The previous prime is 102798221. The next prime is 102798271. The reversal of 102798238 is 832897201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102798238.

It is a congruent number.

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, 3406 + ... + 14737.

It is an arithmetic number, because the mean of its divisors is an integer number (19282536).

Almost surely, 2^102798238 is an apocalyptic number.

102798238 is a deficient number, since it is larger than the sum of its proper divisors (51462050).

102798238 is a wasteful number, since it uses less digits than its factorization.

102798238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20978.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 102798238 is about 10138.9465922254. The cubic root of 102798238 is about 468.4485405571.

The spelling of 102798238 in words is "one hundred two million, seven hundred ninety-eight thousand, two hundred thirty-eight".