834149793 has 16 divisors (see below), whose sum is σ = 1143278336. Its totient is φ = 540587520.

The previous prime is 834149777. The next prime is 834149839. The reversal of 834149793 is 397941438.

It is a happy number.

It is not a de Polignac number, because 834149793 - 2⁴ = 834149777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834149713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155313 + ... + 160593.

It is an arithmetic number, because the mean of its divisors is an integer number (71454896).

Almost surely, 2^834149793 is an apocalyptic number.

It is an amenable number.

834149793 is a deficient number, since it is larger than the sum of its proper divisors (309128543).

834149793 is a wasteful number, since it uses less digits than its factorization.

834149793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744.

The product of its digits is 653184, while the sum is 48.

The square root of 834149793 is about 28881.6514936387. The cubic root of 834149793 is about 941.3432557525.

The spelling of 834149793 in words is "eight hundred thirty-four million, one hundred forty-nine thousand, seven hundred ninety-three".