103672891 has 12 divisors (see below), whose sum is σ = 123863152. Its totient is φ = 84995856.

The previous prime is 103672889. The next prime is 103672903. The reversal of 103672891 is 198276301.

It is not a de Polignac number, because 103672891 - 2¹ = 103672889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103672891.

It is not an unprimeable number, because it can be changed into a prime (103672861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10296 + ... + 17701.

Almost surely, 2^103672891 is an apocalyptic number.

103672891 is a deficient number, since it is larger than the sum of its proper divisors (20190261).

103672891 is an equidigital number, since it uses as much as digits as its factorization.

103672891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28050 (or 28027 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 103672891 is about 10181.9885582336. The cubic root of 103672891 is about 469.7733795058.

The spelling of 103672891 in words is "one hundred three million, six hundred seventy-two thousand, eight hundred ninety-one".