1419989 has 4 divisors (see below), whose sum is σ = 1453056. Its totient is φ = 1386924.

The previous prime is 1419973. The next prime is 1420009. The reversal of 1419989 is 9899141.

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 not a de Polignac number, because 1419989 - 2⁴ = 1419973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1419919) 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, 16469 + ... + 16554.

It is an arithmetic number, because the mean of its divisors is an integer number (363264).

2^1419989 is an apocalyptic number.

It is an amenable number.

1419989 is a deficient number, since it is larger than the sum of its proper divisors (33067).

1419989 is an equidigital number, since it uses as much as digits as its factorization.

1419989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33066.

The product of its digits is 23328, while the sum is 41.

The square root of 1419989 is about 1191.6329132749. The cubic root of 1419989 is about 112.3987962283.

The spelling of 1419989 in words is "one million, four hundred nineteen thousand, nine hundred eighty-nine".