857034752 has 104 divisors (see below), whose sum is σ = 1991002752. Its totient is φ = 361267200.

The previous prime is 857034743. The next prime is 857034757. The reversal of 857034752 is 257430758.

It is a super-2 number, since 2×857034752² = 1469017132271403008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857034757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035502 + ... + 2035922.

Almost surely, 2^857034752 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 857034752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (995501376).

857034752 is an abundant number, since it is smaller than the sum of its proper divisors (1133968000).

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

857034752 is an equidigital number, since it uses as much as digits as its factorization.

857034752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 857034752 is about 29275.1558834449. The cubic root of 857034752 is about 949.8743146745.

The spelling of 857034752 in words is "eight hundred fifty-seven million, thirty-four thousand, seven hundred fifty-two".