1609464 has 16 divisors (see below), whose sum is σ = 4023720. Its totient is φ = 536480.

The previous prime is 1609457. The next prime is 1609477. The reversal of 1609464 is 4649061.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33507 + ... + 33554.

2^1609464 is an apocalyptic number.

It is an amenable number.

1609464 is an abundant number, since it is smaller than the sum of its proper divisors (2414256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1609464 is a wasteful number, since it uses less digits than its factorization.

1609464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67070 (or 67066 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1609464 is about 1268.6465228739. The cubic root of 1609464 is about 117.1908638679.

The spelling of 1609464 in words is "one million, six hundred nine thousand, four hundred sixty-four".