820683374 has 32 divisors (see below), whose sum is σ = 1429353216. Its totient is φ = 346127040.

The previous prime is 820683373. The next prime is 820683377. The reversal of 820683374 is 473386028.

820683374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820683373) 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, 844709 + ... + 845679.

It is an arithmetic number, because the mean of its divisors is an integer number (44667288).

Almost surely, 2^820683374 is an apocalyptic number.

820683374 is a deficient number, since it is larger than the sum of its proper divisors (608669842).

820683374 is a wasteful number, since it uses less digits than its factorization.

820683374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 820683374 is about 28647.5718691829. The cubic root of 820683374 is about 936.2501028578.

The spelling of 820683374 in words is "eight hundred twenty million, six hundred eighty-three thousand, three hundred seventy-four".