1485409 has 16 divisors (see below), whose sum is σ = 1710720. Its totient is φ = 1281280.

The previous prime is 1485397. The next prime is 1485413. The reversal of 1485409 is 9045841.

It is a happy number.

1485409 is nontrivially palindromic in base 16.

It is a cyclic number.

It is not a de Polignac number, because 1485409 - 2¹⁷ = 1354337 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 (1485469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11274 + ... + 11404.

It is an arithmetic number, because the mean of its divisors is an integer number (106920).

2^1485409 is an apocalyptic number.

It is an amenable number.

1485409 is a deficient number, since it is larger than the sum of its proper divisors (225311).

1485409 is a wasteful number, since it uses less digits than its factorization.

1485409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1485409 is about 1218.7735638748. The cubic root of 1485409 is about 114.0990469864.

The spelling of 1485409 in words is "one million, four hundred eighty-five thousand, four hundred nine".