103786812 has 24 divisors (see below), whose sum is σ = 269077200. Its totient is φ = 34595568.

The previous prime is 103786807. The next prime is 103786829. The reversal of 103786812 is 218687301.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 480387 + ... + 480602.

It is an arithmetic number, because the mean of its divisors is an integer number (11211550).

Almost surely, 2^103786812 is an apocalyptic number.

103786812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103786812 is an abundant number, since it is smaller than the sum of its proper divisors (165290388).

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

103786812 is a wasteful number, since it uses less digits than its factorization.

103786812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961002 (or 960994 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 103786812 is about 10187.5812634796. The cubic root of 103786812 is about 469.9453867432.

The spelling of 103786812 in words is "one hundred three million, seven hundred eighty-six thousand, eight hundred twelve".