1609485 has 16 divisors (see below), whose sum is σ = 2618880. Its totient is φ = 843840.

The previous prime is 1609477. The next prime is 1609493. The reversal of 1609485 is 5849061.

It is an interprime number because it is at equal distance from previous prime (1609477) and next prime (1609493).

It is not a de Polignac number, because 1609485 - 2³ = 1609477 is a prime.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36 + ... + 1794.

It is an arithmetic number, because the mean of its divisors is an integer number (163680).

2^1609485 is an apocalyptic number.

1609485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1609485 is a deficient number, since it is larger than the sum of its proper divisors (1009395).

1609485 is a wasteful number, since it uses less digits than its factorization.

1609485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1609485 is about 1268.6547993840. The cubic root of 1609485 is about 117.1913735608.

The spelling of 1609485 in words is "one million, six hundred nine thousand, four hundred eighty-five".