836904380 has 96 divisors (see below), whose sum is σ = 1949572800. Its totient is φ = 299870208.

The previous prime is 836904377. The next prime is 836904391. The reversal of 836904380 is 83409638.

836904380 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1364954 + ... + 1365566.

It is an arithmetic number, because the mean of its divisors is an integer number (20308050).

Almost surely, 2^836904380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 836904380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974786400).

836904380 is an abundant number, since it is smaller than the sum of its proper divisors (1112668420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

836904380 is a wasteful number, since it uses less digits than its factorization.

836904380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 836904380 is about 28929.2996804278. The cubic root of 836904380 is about 942.3783067978.

The spelling of 836904380 in words is "eight hundred thirty-six million, nine hundred four thousand, three hundred eighty".