103173408 has 144 divisors (see below), whose sum is σ = 334761336. Its totient is φ = 29859840.

The previous prime is 103173397. The next prime is 103173409. The reversal of 103173408 is 804371301.

103173408 is a `hidden beast` number, since 1 + 0 + 317 + 340 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 94245264 + 8928144 = 9708^2 + 2988^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (103173409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62838 + ... + 64458.

Almost surely, 2^103173408 is an apocalyptic number.

103173408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103173408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167380668).

103173408 is an abundant number, since it is smaller than the sum of its proper divisors (231587928).

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

103173408 is a wasteful number, since it uses less digits than its factorization.

103173408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 103173408 is about 10157.4311713149. The cubic root of 103173408 is about 469.0177282303.

The spelling of 103173408 in words is "one hundred three million, one hundred seventy-three thousand, four hundred eight".