1479709 has 12 divisors (see below), whose sum is σ = 1859872. Its totient is φ = 1152360.

The previous prime is 1479679. The next prime is 1479713. The reversal of 1479709 is 9079741.

It is not a de Polignac number, because 1479709 - 2⁷ = 1479581 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1479109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27 + ... + 1720.

2^1479709 is an apocalyptic number.

It is an amenable number.

1479709 is a deficient number, since it is larger than the sum of its proper divisors (380163).

1479709 is a wasteful number, since it uses less digits than its factorization.

1479709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 1479709 is about 1216.4328999168. The cubic root of 1479709 is about 113.9529147913.

Adding to 1479709 its product of nonzero digits (15876), we get a triangular number (1495585 = T₁₇₂₉).

It can be divided in two parts, 1 and 479709, that added together give a triangular number (479710 = T₉₇₉).

The spelling of 1479709 in words is "one million, four hundred seventy-nine thousand, seven hundred nine".