834069638 has 16 divisors (see below), whose sum is σ = 1362366000. Its totient is φ = 381461472.

The previous prime is 834069637. The next prime is 834069647. The reversal of 834069638 is 836960438.

834069638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×834069638² = 1391344322066902088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 834069592 and 834069601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834069637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377333 + ... + 379536.

It is an arithmetic number, because the mean of its divisors is an integer number (85147875).

Almost surely, 2^834069638 is an apocalyptic number.

834069638 is a deficient number, since it is larger than the sum of its proper divisors (528296362).

834069638 is a wasteful number, since it uses less digits than its factorization.

834069638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756919.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 834069638 is about 28880.2638145845. The cubic root of 834069638 is about 941.3131029805.

The spelling of 834069638 in words is "eight hundred thirty-four million, sixty-nine thousand, six hundred thirty-eight".