103286990 has 16 divisors (see below), whose sum is σ = 186114240. Its totient is φ = 41270880.

The previous prime is 103286927. The next prime is 103287001. The reversal of 103286990 is 99682301.

It is a Curzon 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, 5420 + ... + 15360.

It is an arithmetic number, because the mean of its divisors is an integer number (11632140).

Almost surely, 2^103286990 is an apocalyptic number.

103286990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103286990 is a deficient number, since it is larger than the sum of its proper divisors (82827250).

103286990 is a wasteful number, since it uses less digits than its factorization.

103286990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10987.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 103286990 is about 10163.0207123670. The cubic root of 103286990 is about 469.1897765511.

The spelling of 103286990 in words is "one hundred three million, two hundred eighty-six thousand, nine hundred ninety".