1609974 has 12 divisors (see below), whose sum is σ = 3488316. Its totient is φ = 536652.

The previous prime is 1609969. The next prime is 1609991. The reversal of 1609974 is 4799061.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44704 + ... + 44739.

It is an arithmetic number, because the mean of its divisors is an integer number (290693).

2^1609974 is an apocalyptic number.

1609974 is an abundant number, since it is smaller than the sum of its proper divisors (1878342).

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

1609974 is a wasteful number, since it uses less digits than its factorization.

1609974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89451 (or 89448 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1609974 is about 1268.8475085683. The cubic root of 1609974 is about 117.2032408722.

The spelling of 1609974 in words is "one million, six hundred nine thousand, nine hundred seventy-four".