1414639 has 4 divisors (see below), whose sum is σ = 1420024. Its totient is φ = 1409256.

The previous prime is 1414631. The next prime is 1414663. The reversal of 1414639 is 9364141.

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 1414639 - 2³ = 1414631 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 (1414631) 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, 2277 + ... + 2830.

It is an arithmetic number, because the mean of its divisors is an integer number (355006).

2^1414639 is an apocalyptic number.

1414639 is a deficient number, since it is larger than the sum of its proper divisors (5385).

1414639 is an equidigital number, since it uses as much as digits as its factorization.

1414639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5384.

The product of its digits is 2592, while the sum is 28.

The square root of 1414639 is about 1189.3859760397. The cubic root of 1414639 is about 112.2574593714.

The spelling of 1414639 in words is "one million, four hundred fourteen thousand, six hundred thirty-nine".