374309 has 4 divisors (see below), whose sum is σ = 403116. Its totient is φ = 345504.

The previous prime is 374299. The next prime is 374317. The reversal of 374309 is 903473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 903473 = 43 ⋅21011.

It can be written as a sum of positive squares in 2 ways, for example, as 77284 + 297025 = 278^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 374309 - 2⁴ = 374293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 374309.

It is not an unprimeable number, because it can be changed into a prime (374359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14384 + ... + 14409.

It is an arithmetic number, because the mean of its divisors is an integer number (100779).

2³⁷⁴³⁰⁹ is an apocalyptic number.

It is an amenable number.

374309 is a deficient number, since it is larger than the sum of its proper divisors (28807).

374309 is a wasteful number, since it uses less digits than its factorization.

374309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28806.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 374309 is about 611.8079764109. The cubic root of 374309 is about 72.0681581949.

The spelling of 374309 in words is "three hundred seventy-four thousand, three hundred nine".