885428834 has 4 divisors (see below), whose sum is σ = 1328143254. Its totient is φ = 442714416.

The previous prime is 885428821. The next prime is 885428837. The reversal of 885428834 is 438824588.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 491287225 + 394141609 = 22165^2 + 19853^2 .

It is not an unprimeable number, because it can be changed into a prime (885428837) 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 as a sum of consecutive naturals, namely, 221357207 + ... + 221357210.

Almost surely, 2^885428834 is an apocalyptic number.

885428834 is a deficient number, since it is larger than the sum of its proper divisors (442714420).

885428834 is a wasteful number, since it uses less digits than its factorization.

885428834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442714419.

The product of its digits is 1966080, while the sum is 50.

The square root of 885428834 is about 29756.1562369873. The cubic root of 885428834 is about 960.2505256173.

The spelling of 885428834 in words is "eight hundred eighty-five million, four hundred twenty-eight thousand, eight hundred thirty-four".