1409465 has 4 divisors (see below), whose sum is σ = 1691364. Its totient is φ = 1127568.

The previous prime is 1409459. The next prime is 1409467. The reversal of 1409465 is 5649041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5649041 = 1987 ⋅2843.

It can be written as a sum of positive squares in 2 ways, for example, as 896809 + 512656 = 947^2 + 716^2 .

It is a cyclic number.

It is not a de Polignac number, because 1409465 - 2⁸ = 1409209 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1409467) 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, 140942 + ... + 140951.

It is an arithmetic number, because the mean of its divisors is an integer number (422841).

2^1409465 is an apocalyptic number.

It is an amenable number.

1409465 is a deficient number, since it is larger than the sum of its proper divisors (281899).

1409465 is an equidigital number, since it uses as much as digits as its factorization.

1409465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281898.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1409465 is about 1187.2089116916. The cubic root of 1409465 is about 112.1204327406.

The spelling of 1409465 in words is "one million, four hundred nine thousand, four hundred sixty-five".