103204990 has 16 divisors (see below), whose sum is σ = 212307552. Its totient is φ = 35384544.

The previous prime is 103204967. The next prime is 103205021. The reversal of 103204990 is 99402301.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737109 + ... + 737248.

It is an arithmetic number, because the mean of its divisors is an integer number (13269222).

Almost surely, 2^103204990 is an apocalyptic number.

103204990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103204990 is an abundant number, since it is smaller than the sum of its proper divisors (109102562).

103204990 is a wasteful number, since it uses less digits than its factorization.

103204990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474371.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 103204990 is about 10158.9856777141. The cubic root of 103204990 is about 469.0655797295.

The spelling of 103204990 in words is "one hundred three million, two hundred four thousand, nine hundred ninety".