374561 has 8 divisors (see below), whose sum is σ = 432864. Its totient is φ = 320320.

The previous prime is 374557. The next prime is 374587. The reversal of 374561 is 165473.

374561 = 88² + 89² + ... + 121².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 374561 - 2² = 374557 is a prime.

It is a Duffinian number.

374561 is a modest number, since divided by 561 gives 374 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 374561.

It is not an unprimeable number, because it can be changed into a prime (374501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815 + ... + 1188.

It is an arithmetic number, because the mean of its divisors is an integer number (54108).

2³⁷⁴⁵⁶¹ is an apocalyptic number.

It is an amenable number.

374561 is a deficient number, since it is larger than the sum of its proper divisors (58303).

374561 is a wasteful number, since it uses less digits than its factorization.

374561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031.

The product of its digits is 2520, while the sum is 26.

The square root of 374561 is about 612.0138887313. The cubic root of 374561 is about 72.0843276358.

The spelling of 374561 in words is "three hundred seventy-four thousand, five hundred sixty-one".