834545438 has 4 divisors (see below), whose sum is σ = 1251818160. Its totient is φ = 417272718.

The previous prime is 834545381. The next prime is 834545443.

834545438 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×834545438² = 1392932176173223688, which contains 22 as substring.

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

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 208636358 + ... + 208636361.

It is an arithmetic number, because the mean of its divisors is an integer number (312954540).

Almost surely, 2^834545438 is an apocalyptic number.

834545438 is a deficient number, since it is larger than the sum of its proper divisors (417272722).

834545438 is a wasteful number, since it uses less digits than its factorization.

834545438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417272721.

The product of its digits is 921600, while the sum is 44.

The square root of 834545438 is about 28888.5000995206. The cubic root of 834545438 is about 941.4920615136.

The spelling of 834545438 in words is "eight hundred thirty-four million, five hundred forty-five thousand, four hundred thirty-eight".