374609 has 4 divisors (see below), whose sum is σ = 378420. Its totient is φ = 370800.

The previous prime is 374603. The next prime is 374639. The reversal of 374609 is 906473.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 250000 + 124609 = 500^2 + 353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (374603) by changing a digit.

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, 1754 + ... + 1955.

It is an arithmetic number, because the mean of its divisors is an integer number (94605).

2³⁷⁴⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

374609 is a deficient number, since it is larger than the sum of its proper divisors (3811).

374609 is a wasteful number, since it uses less digits than its factorization.

374609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 374609 is about 612.0531022714. The cubic root of 374609 is about 72.0874067070.

Subtracting from 374609 its product of nonzero digits (4536), we obtain a palindrome (370073).

The spelling of 374609 in words is "three hundred seventy-four thousand, six hundred nine".