372861 has 12 divisors (see below), whose sum is σ = 570492. Its totient is φ = 233856.

The previous prime is 372859. The next prime is 372871. The reversal of 372861 is 168273.

It can be written as a sum of positive squares in 2 ways, for example, as 324900 + 47961 = 570^2 + 219^2 .

It is not a de Polignac number, because 372861 - 2¹ = 372859 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372871) 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 11 ways as a sum of consecutive naturals, for example, 1066 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (47541).

2³⁷²⁸⁶¹ is an apocalyptic number.

It is an amenable number.

372861 is a deficient number, since it is larger than the sum of its proper divisors (197631).

372861 is a wasteful number, since it uses less digits than its factorization.

372861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460 (or 2457 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 372861 is about 610.6234518916. The cubic root of 372861 is about 71.9751071354.

The spelling of 372861 in words is "three hundred seventy-two thousand, eight hundred sixty-one".