834969438 has 32 divisors (see below), whose sum is σ = 1915345920. Its totient is φ = 269344440.

The previous prime is 834969419. The next prime is 834969451.

It is a happy number.

834969438 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247720 + ... + 251067.

It is an arithmetic number, because the mean of its divisors is an integer number (59854560).

Almost surely, 2^834969438 is an apocalyptic number.

834969438 is an abundant number, since it is smaller than the sum of its proper divisors (1080376482).

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

834969438 is a wasteful number, since it uses less digits than its factorization.

834969438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498829 (or 498823 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 834969438 is about 28895.8377279497. The cubic root of 834969438 is about 941.6514796552.

The spelling of 834969438 in words is "eight hundred thirty-four million, nine hundred sixty-nine thousand, four hundred thirty-eight".