858737252 has 24 divisors (see below), whose sum is σ = 1612996056. Its totient is φ = 398573568.

The previous prime is 858737239. The next prime is 858737267. The reversal of 858737252 is 252737858.

It is a happy number.

858737252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 467251456 + 391485796 = 21616^2 + 19786^2 .

It is a junction number, because it is equal to n+sod(n) for n = 858737197 and 858737206.

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, 81533 + ... + 91460.

It is an arithmetic number, because the mean of its divisors is an integer number (67208169).

Almost surely, 2^858737252 is an apocalyptic number.

It is an amenable number.

858737252 is a deficient number, since it is larger than the sum of its proper divisors (754258804).

858737252 is a wasteful number, since it uses less digits than its factorization.

858737252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173087 (or 173085 counting only the distinct ones).

The product of its digits is 940800, while the sum is 47.

The square root of 858737252 is about 29304.2190136506. The cubic root of 858737252 is about 950.5028739275.

The spelling of 858737252 in words is "eight hundred fifty-eight million, seven hundred thirty-seven thousand, two hundred fifty-two".