103419989 has 4 divisors (see below), whose sum is σ = 103441824. Its totient is φ = 103398156.

The previous prime is 103419947. The next prime is 103419991. The reversal of 103419989 is 989914301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103419989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103419289) 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, 497 + ... + 14390.

It is an arithmetic number, because the mean of its divisors is an integer number (25860456).

Almost surely, 2^103419989 is an apocalyptic number.

It is an amenable number.

103419989 is a deficient number, since it is larger than the sum of its proper divisors (21835).

103419989 is an equidigital number, since it uses as much as digits as its factorization.

103419989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21834.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 103419989 is about 10169.5618883018. The cubic root of 103419989 is about 469.3910765278.

The spelling of 103419989 in words is "one hundred three million, four hundred nineteen thousand, nine hundred eighty-nine".