373889 has 4 divisors (see below), whose sum is σ = 378180. Its totient is φ = 369600.

The previous prime is 373861. The next prime is 373903. The reversal of 373889 is 988373.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 988373 = 31 ⋅31883.

It can be written as a sum of positive squares in 2 ways, for example, as 43264 + 330625 = 208^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 373889 - 2¹² = 369793 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (373859) 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, 2012 + ... + 2189.

It is an arithmetic number, because the mean of its divisors is an integer number (94545).

2³⁷³⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

373889 is a deficient number, since it is larger than the sum of its proper divisors (4291).

373889 is an equidigital number, since it uses as much as digits as its factorization.

373889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290.

The product of its digits is 36288, while the sum is 38.

The square root of 373889 is about 611.4646351180. The cubic root of 373889 is about 72.0411929918.

The spelling of 373889 in words is "three hundred seventy-three thousand, eight hundred eighty-nine".