999374 has 4 divisors (see below), whose sum is σ = 1499064. Its totient is φ = 499686.

The previous prime is 999371. The next prime is 999377. The reversal of 999374 is 473999.

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 (999371) and next prime (999377).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 999374.

It is not an unprimeable number, because it can be changed into a prime (999371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249842 + ... + 249845.

It is an arithmetic number, because the mean of its divisors is an integer number (374766).

2⁹⁹⁹³⁷⁴ is an apocalyptic number.

999374 is a deficient number, since it is larger than the sum of its proper divisors (499690).

999374 is a wasteful number, since it uses less digits than its factorization.

999374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499689.

The product of its digits is 61236, while the sum is 41.

The square root of 999374 is about 999.6869510002. The cubic root of 999374 is about 99.9791289776.

The spelling of 999374 in words is "nine hundred ninety-nine thousand, three hundred seventy-four".