103908390 has 32 divisors (see below), whose sum is σ = 252188640. Its totient is φ = 27396864.

The previous prime is 103908383. The next prime is 103908401. The reversal of 103908390 is 93809301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16789 + ... + 22128.

It is an arithmetic number, because the mean of its divisors is an integer number (7880895).

Almost surely, 2^103908390 is an apocalyptic number.

103908390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103908390 is an abundant number, since it is smaller than the sum of its proper divisors (148280250).

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

103908390 is a wasteful number, since it uses less digits than its factorization.

103908390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39016.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 103908390 is about 10193.5464878520. The cubic root of 103908390 is about 470.1288163585.

The spelling of 103908390 in words is "one hundred three million, nine hundred eight thousand, three hundred ninety".