852439930 has 16 divisors (see below), whose sum is σ = 1537551360. Its totient is φ = 340273872.

The previous prime is 852439927. The next prime is 852439957. The reversal of 852439930 is 39934258.

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, 82650 + ... + 92389.

It is an arithmetic number, because the mean of its divisors is an integer number (96096960).

Almost surely, 2^852439930 is an apocalyptic number.

852439930 is a deficient number, since it is larger than the sum of its proper divisors (685111430).

852439930 is a wasteful number, since it uses less digits than its factorization.

852439930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175533.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 852439930 is about 29196.5739428447. The cubic root of 852439930 is about 948.1737509926.

The spelling of 852439930 in words is "eight hundred fifty-two million, four hundred thirty-nine thousand, nine hundred thirty".