372865 has 4 divisors (see below), whose sum is σ = 447444. Its totient is φ = 298288.

The previous prime is 372859. The next prime is 372871. The reversal of 372865 is 568273.

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

It is an interprime number because it is at equal distance from previous prime (372859) and next prime (372871).

It can be written as a sum of positive squares in 2 ways, for example, as 199809 + 173056 = 447^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 372865 - 2⁵ = 372833 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3¹⁰ + 7⁵ + 8² + 2¹⁴ + 6⁷ + 5⁴ .

It is a Duffinian number.

372865 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37282 + ... + 37291.

It is an arithmetic number, because the mean of its divisors is an integer number (111861).

2³⁷²⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

372865 is a deficient number, since it is larger than the sum of its proper divisors (74579).

372865 is an equidigital number, since it uses as much as digits as its factorization.

372865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74578.

The product of its digits is 10080, while the sum is 31.

The square root of 372865 is about 610.6267272238. The cubic root of 372865 is about 71.9753645141.

The spelling of 372865 in words is "three hundred seventy-two thousand, eight hundred sixty-five".