1434739 has 4 divisors (see below), whose sum is σ = 1439200. Its totient is φ = 1430280.

The previous prime is 1434737. The next prime is 1434743. The reversal of 1434739 is 9374341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9374341 = 2707 ⋅3463.

It is a cyclic number.

It is not a de Polignac number, because 1434739 - 2¹ = 1434737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1434739.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434731) 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, 1707 + ... + 2404.

It is an arithmetic number, because the mean of its divisors is an integer number (359800).

2^1434739 is an apocalyptic number.

1434739 is a deficient number, since it is larger than the sum of its proper divisors (4461).

1434739 is an equidigital number, since it uses as much as digits as its factorization.

1434739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460.

The product of its digits is 9072, while the sum is 31.

The square root of 1434739 is about 1197.8059108219. The cubic root of 1434739 is about 112.7866336877.

The spelling of 1434739 in words is "one million, four hundred thirty-four thousand, seven hundred thirty-nine".