102889395 has 24 divisors (see below), whose sum is σ = 203819616. Its totient is φ = 47035008.

The previous prime is 102889343. The next prime is 102889399. The reversal of 102889395 is 593988201.

It is a happy number.

It is not a de Polignac number, because 102889395 - 2⁶ = 102889331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 102889395.

It is not an unprimeable number, because it can be changed into a prime (102889399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163002 + ... + 163631.

It is an arithmetic number, because the mean of its divisors is an integer number (8492484).

Almost surely, 2^102889395 is an apocalyptic number.

102889395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102889395 is a deficient number, since it is larger than the sum of its proper divisors (100930221).

102889395 is a wasteful number, since it uses less digits than its factorization.

102889395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326651 (or 326648 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 102889395 is about 10143.4409842026. The cubic root of 102889395 is about 468.5869662359.

It can be divided in two parts, 10288 and 9395, that added together give a 9-th power (19683 = 3⁹).

The spelling of 102889395 in words is "one hundred two million, eight hundred eighty-nine thousand, three hundred ninety-five".