1609374 has 32 divisors (see below), whose sum is σ = 3548160. Its totient is φ = 483552.

The previous prime is 1609367. The next prime is 1609381. The reversal of 1609374 is 4739061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1609367) and next prime (1609381).

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 3447 + ... + 3885.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

2^1609374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1609374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1774080).

1609374 is an abundant number, since it is smaller than the sum of its proper divisors (1938786).

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

1609374 is a wasteful number, since it uses less digits than its factorization.

1609374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1609374 is about 1268.6110515048. The cubic root of 1609374 is about 117.1886794192.

The spelling of 1609374 in words is "one million, six hundred nine thousand, three hundred seventy-four".