108202890 has 16 divisors (see below), whose sum is σ = 259687008. Its totient is φ = 28854096.

The previous prime is 108202889. The next prime is 108202901. The reversal of 108202890 is 98202801.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3606763 = 108202890 / (1 + 0 + 8 + 2 + 0 + 2 + 8 + 9 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1803352 + ... + 1803411.

It is an arithmetic number, because the mean of its divisors is an integer number (16230438).

Almost surely, 2^108202890 is an apocalyptic number.

108202890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108202890 is an abundant number, since it is smaller than the sum of its proper divisors (151484118).

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

108202890 is a wasteful number, since it uses less digits than its factorization.

108202890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606773.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 108202890 is about 10402.0618148519. The cubic root of 108202890 is about 476.5183399697.

The spelling of 108202890 in words is "one hundred eight million, two hundred two thousand, eight hundred ninety".