1409319 has 20 divisors (see below), whose sum is σ = 2137344. Its totient is φ = 925344.

The previous prime is 1409311. The next prime is 1409327. The reversal of 1409319 is 9139041.

It is an interprime number because it is at equal distance from previous prime (1409311) and next prime (1409327).

It is not a de Polignac number, because 1409319 - 2³ = 1409311 is a prime.

It is a super-2 number, since 2×1409319² = 3972360087522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

1409319 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1409292 and 1409301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10219 + ... + 10355.

2^1409319 is an apocalyptic number.

1409319 is a deficient number, since it is larger than the sum of its proper divisors (728025).

1409319 is a wasteful number, since it uses less digits than its factorization.

1409319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1409319 is about 1187.1474213424. The cubic root of 1409319 is about 112.1165612602.

It can be divided in two parts, 1409 and 319, that added together give a cube (1728 = 12³).

The spelling of 1409319 in words is "one million, four hundred nine thousand, three hundred nineteen".