816374 has 16 divisors (see below), whose sum is σ = 1397088. Its totient is φ = 354432.

The previous prime is 816367. The next prime is 816377. The reversal of 816374 is 473618.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816377) by changing a digit.

816374 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482 + ... + 1365.

It is an arithmetic number, because the mean of its divisors is an integer number (87318).

2⁸¹⁶³⁷⁴ is an apocalyptic number.

816374 is a deficient number, since it is larger than the sum of its proper divisors (580714).

816374 is a wasteful number, since it uses less digits than its factorization.

816374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its digits is 4032, while the sum is 29.

The square root of 816374 is about 903.5341720156. The cubic root of 816374 is about 93.4608489465.

The spelling of 816374 in words is "eight hundred sixteen thousand, three hundred seventy-four".