103381890 has 32 divisors (see below), whose sum is σ = 253889856. Its totient is φ = 26927040.

The previous prime is 103381877. The next prime is 103381891. The reversal of 103381890 is 98183301.

It is not an unprimeable number, because it can be changed into a prime (103381891) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38781 + ... + 41360.

It is an arithmetic number, because the mean of its divisors is an integer number (7934058).

Almost surely, 2^103381890 is an apocalyptic number.

103381890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103381890 is an abundant number, since it is smaller than the sum of its proper divisors (150507966).

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

103381890 is a wasteful number, since it uses less digits than its factorization.

103381890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80194.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 103381890 is about 10167.6885278809. The cubic root of 103381890 is about 469.3334296220. Note that the first 3 decimals are identical.

The spelling of 103381890 in words is "one hundred three million, three hundred eighty-one thousand, eight hundred ninety".