109900403 has 4 divisors (see below), whose sum is σ = 111448368. Its totient is φ = 108352440.

The previous prime is 109900391. The next prime is 109900409. The reversal of 109900403 is 304009901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109900403 - 2⁴ = 109900387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109900409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773876 + ... + 774017.

It is an arithmetic number, because the mean of its divisors is an integer number (27862092).

Almost surely, 2^109900403 is an apocalyptic number.

109900403 is a deficient number, since it is larger than the sum of its proper divisors (1547965).

109900403 is an equidigital number, since it uses as much as digits as its factorization.

109900403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547964.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 109900403 is about 10483.3393057747. The cubic root of 109900403 is about 478.9973326328.

The spelling of 109900403 in words is "one hundred nine million, nine hundred thousand, four hundred three".