856052434 has 16 divisors (see below), whose sum is σ = 1308005568. Its totient is φ = 420097392.

The previous prime is 856052423. The next prime is 856052437. The reversal of 856052434 is 434250658.

It is a junction number, because it is equal to n+sod(n) for n = 856052393 and 856052402.

It is not an unprimeable number, because it can be changed into a prime (856052437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25587 + ... + 48649.

It is an arithmetic number, because the mean of its divisors is an integer number (81750348).

Almost surely, 2^856052434 is an apocalyptic number.

856052434 is a deficient number, since it is larger than the sum of its proper divisors (451953134).

856052434 is a wasteful number, since it uses less digits than its factorization.

856052434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23409.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 856052434 is about 29258.3737415462. The cubic root of 856052434 is about 949.5112662470.

The spelling of 856052434 in words is "eight hundred fifty-six million, fifty-two thousand, four hundred thirty-four".