834887906 has 16 divisors (see below), whose sum is σ = 1310452344. Its totient is φ = 398496384.

The previous prime is 834887903. The next prime is 834887923. The reversal of 834887906 is 609788438.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 834689881 + 198025 = 28891^2 + 445^2 .

It is a Harshad number since it is a multiple of its sum of digits (53).

It is not an unprimeable number, because it can be changed into a prime (834887903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102515 + ... + 110358.

Almost surely, 2^834887906 is an apocalyptic number.

834887906 is a deficient number, since it is larger than the sum of its proper divisors (475564438).

834887906 is a wasteful number, since it uses less digits than its factorization.

834887906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212965.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 834887906 is about 28894.4269020862. The cubic root of 834887906 is about 941.6208289415.

The spelling of 834887906 in words is "eight hundred thirty-four million, eight hundred eighty-seven thousand, nine hundred six".