834390396 has 360 divisors, whose sum is σ = 2829115520. Its totient is φ = 209392128.

The previous prime is 834390307. The next prime is 834390419. The reversal of 834390396 is 693093438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 12453555 + ... + 12453621.

Almost surely, 2^834390396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 834390396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414557760).

834390396 is an abundant number, since it is smaller than the sum of its proper divisors (1994725124).

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

834390396 is a wasteful number, since it uses less digits than its factorization.

834390396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 834390396 is about 28885.8165195308. The cubic root of 834390396 is about 941.4337543817.

The spelling of 834390396 in words is "eight hundred thirty-four million, three hundred ninety thousand, three hundred ninety-six".