375999 has 16 divisors (see below), whose sum is σ = 559104. Its totient is φ = 223200.

The previous prime is 375997. The next prime is 376001. The reversal of 375999 is 999573.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (375997) and next prime (376001).

It is not a de Polignac number, because 375999 - 2¹ = 375997 is a prime.

375999 is a modest number, since divided by 999 gives 375 as remainder.

375999 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 375999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054 + ... + 1364.

It is an arithmetic number, because the mean of its divisors is an integer number (34944).

2³⁷⁵⁹⁹⁹ is an apocalyptic number.

375999 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

375999 is a deficient number, since it is larger than the sum of its proper divisors (183105).

375999 is a wasteful number, since it uses less digits than its factorization.

375999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358.

The product of its digits is 76545, while the sum is 42.

The square root of 375999 is about 613.1875732596. The cubic root of 375999 is about 72.1764576164.

The spelling of 375999 in words is "three hundred seventy-five thousand, nine hundred ninety-nine".