834806386 has 32 divisors (see below), whose sum is σ = 1385683200. Its totient is φ = 375518976.

The previous prime is 834806377. The next prime is 834806387. The reversal of 834806386 is 683608438.

It is a super-3 number, since 3×834806386³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (834806387) 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, 62640 + ... + 74788.

It is an arithmetic number, because the mean of its divisors is an integer number (43302600).

Almost surely, 2^834806386 is an apocalyptic number.

834806386 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

834806386 is a deficient number, since it is larger than the sum of its proper divisors (550876814).

834806386 is a wasteful number, since it uses less digits than its factorization.

834806386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12258.

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 834806386 is about 28893.0162149956. The cubic root of 834806386 is about 941.5901807439.

The spelling of 834806386 in words is "eight hundred thirty-four million, eight hundred six thousand, three hundred eighty-six".