838734091 has 4 divisors (see below), whose sum is σ = 903252112. Its totient is φ = 774216072.

The previous prime is 838734067. The next prime is 838734103. The reversal of 838734091 is 190437838.

It is a happy number.

838734091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 838734091 - 2⁵ = 838734059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (838734041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32258991 + ... + 32259016.

It is an arithmetic number, because the mean of its divisors is an integer number (225813028).

Almost surely, 2^838734091 is an apocalyptic number.

838734091 is a deficient number, since it is larger than the sum of its proper divisors (64518021).

838734091 is a wasteful number, since it uses less digits than its factorization.

838734091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64518020.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 838734091 is about 28960.9062530854. The cubic root of 838734091 is about 943.0645759147.

The spelling of 838734091 in words is "eight hundred thirty-eight million, seven hundred thirty-four thousand, ninety-one".