834838452 has 72 divisors (see below), whose sum is σ = 2516631936. Its totient is φ = 228153024.

The previous prime is 834838451. The next prime is 834838453. The reversal of 834838452 is 254838438.

It is an interprime number because it is at equal distance from previous prime (834838451) and next prime (834838453).

It is a junction number, because it is equal to n+sod(n) for n = 834838398 and 834838407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834838451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66223 + ... + 77814.

Almost surely, 2^834838452 is an apocalyptic number.

It is an amenable number.

834838452 is an abundant number, since it is smaller than the sum of its proper divisors (1681793484).

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

834838452 is a wasteful number, since it uses less digits than its factorization.

834838452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144077 (or 144072 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 834838452 is about 28893.5711188493. The cubic root of 834838452 is about 941.6022364911.

The spelling of 834838452 in words is "eight hundred thirty-four million, eight hundred thirty-eight thousand, four hundred fifty-two".