102918330 has 64 divisors (see below), whose sum is σ = 286398720. Its totient is φ = 26250048.

The previous prime is 102918329. The next prime is 102918337. The reversal of 102918330 is 33819201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 102918294 and 102918303.

It is not an unprimeable number, because it can be changed into a prime (102918337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2077 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (4474980).

Almost surely, 2^102918330 is an apocalyptic number.

102918330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102918330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143199360).

102918330 is an abundant number, since it is smaller than the sum of its proper divisors (183480390).

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

102918330 is a wasteful number, since it uses less digits than its factorization.

102918330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16612 (or 16606 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 102918330 is about 10144.8671750792. The cubic root of 102918330 is about 468.6308881356.

The spelling of 102918330 in words is "one hundred two million, nine hundred eighteen thousand, three hundred thirty".