375981 has 8 divisors (see below), whose sum is σ = 523200. Its totient is φ = 239712.

The previous prime is 375979. The next prime is 375983. The reversal of 375981 is 189573.

It is an interprime number because it is at equal distance from previous prime (375979) and next prime (375983).

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

It is not a de Polignac number, because 375981 - 2¹ = 375979 is a prime.

It is a super-2 number, since 2×375981² = 282723424722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375983) 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, 2656 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (65400).

2³⁷⁵⁹⁸¹ is an apocalyptic number.

It is an amenable number.

375981 is a deficient number, since it is larger than the sum of its proper divisors (147219).

375981 is a wasteful number, since it uses less digits than its factorization.

375981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475.

The product of its digits is 7560, while the sum is 33.

The square root of 375981 is about 613.1728956828. The cubic root of 375981 is about 72.1753058430.

The spelling of 375981 in words is "three hundred seventy-five thousand, nine hundred eighty-one".