834424405 has 8 divisors (see below), whose sum is σ = 1001530584. Its totient is φ = 667392000.

The previous prime is 834424397. The next prime is 834424411. The reversal of 834424405 is 504424438.

It can be written as a sum of positive squares in 4 ways, for example, as 107205316 + 727219089 = 10354^2 + 26967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 834424405 - 2³ = 834424397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10605 + ... + 42205.

It is an arithmetic number, because the mean of its divisors is an integer number (125191323).

Almost surely, 2^834424405 is an apocalyptic number.

It is an amenable number.

834424405 is a deficient number, since it is larger than the sum of its proper divisors (167106179).

834424405 is a wasteful number, since it uses less digits than its factorization.

834424405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36887.

The product of its (nonzero) digits is 61440, while the sum is 34.

The square root of 834424405 is about 28886.4051934470. The cubic root of 834424405 is about 941.4465448715.

The spelling of 834424405 in words is "eight hundred thirty-four million, four hundred twenty-four thousand, four hundred five".