103406085 has 16 divisors (see below), whose sum is σ = 183833280. Its totient is φ = 55149840.

The previous prime is 103406081. The next prime is 103406089. The reversal of 103406085 is 580604301.

103406085 is a `hidden beast` number, since 10 + 3 + 40 + 608 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (103406081) and next prime (103406089).

It is not a de Polignac number, because 103406085 - 2² = 103406081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103406081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382851 + ... + 383120.

It is an arithmetic number, because the mean of its divisors is an integer number (11489580).

Almost surely, 2^103406085 is an apocalyptic number.

103406085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103406085 is a deficient number, since it is larger than the sum of its proper divisors (80427195).

103406085 is an equidigital number, since it uses as much as digits as its factorization.

103406085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765985 (or 765979 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 103406085 is about 10168.8782567204. The cubic root of 103406085 is about 469.3700402785.

The spelling of 103406085 in words is "one hundred three million, four hundred six thousand, eighty-five".