103670685 has 20 divisors (see below), whose sum is σ = 185840028. Its totient is φ = 55290816.

The previous prime is 103670681. The next prime is 103670687. The reversal of 103670685 is 586076301.

It can be written as a sum of positive squares in 2 ways, for example, as 12830724 + 90839961 = 3582^2 + 9531^2 .

It is not a de Polignac number, because 103670685 - 2² = 103670681 is a prime.

It is a super-2 number, since 2×103670685² = 21495221856738450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103670681) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 127584 + ... + 128393.

Almost surely, 2^103670685 is an apocalyptic number.

103670685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103670685 is a deficient number, since it is larger than the sum of its proper divisors (82169343).

103670685 is an equidigital number, since it uses as much as digits as its factorization.

103670685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255994 (or 255985 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 103670685 is about 10181.8802291129. The cubic root of 103670685 is about 469.7700474633.

It can be divided in two parts, 10 and 3670685, that added together give a triangular number (3670695 = T₂₇₀₉).

The spelling of 103670685 in words is "one hundred three million, six hundred seventy thousand, six hundred eighty-five".