104903391 has 8 divisors (see below), whose sum is σ = 145952640. Its totient is φ = 66894872.

The previous prime is 104903387. The next prime is 104903401. The reversal of 104903391 is 193309401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104903391 - 2² = 104903387 is a prime.

It is a super-2 number, since 2×104903391² = 22009442886597762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104903341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760101 + ... + 760238.

It is an arithmetic number, because the mean of its divisors is an integer number (18244080).

Almost surely, 2^104903391 is an apocalyptic number.

104903391 is a deficient number, since it is larger than the sum of its proper divisors (41049249).

104903391 is a wasteful number, since it uses less digits than its factorization.

104903391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520365.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 104903391 is about 10242.2356446237. The cubic root of 104903391 is about 471.6246642055.

The spelling of 104903391 in words is "one hundred four million, nine hundred three thousand, three hundred ninety-one".