836400764 has 6 divisors (see below), whose sum is σ = 1463701344. Its totient is φ = 418200380.

The previous prime is 836400757. The next prime is 836400769. The reversal of 836400764 is 467004638.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (836400769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104550092 + ... + 104550099.

It is an arithmetic number, because the mean of its divisors is an integer number (243950224).

Almost surely, 2^836400764 is an apocalyptic number.

It is an amenable number.

836400764 is a deficient number, since it is larger than the sum of its proper divisors (627300580).

836400764 is a wasteful number, since it uses less digits than its factorization.

836400764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209100195 (or 209100193 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 836400764 is about 28920.5941156125. The cubic root of 836400764 is about 942.1892401874.

The spelling of 836400764 in words is "eight hundred thirty-six million, four hundred thousand, seven hundred sixty-four".