985718434 has 8 divisors (see below), whose sum is σ = 1479065580. Its totient is φ = 492696576.

The previous prime is 985718431. The next prime is 985718467. The reversal of 985718434 is 434817589.

985718434 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 2 ways, for example, as 897302025 + 88416409 = 29955^2 + 9403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×985718434² = 1943281662254824712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (985718431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73599 + ... + 85954.

Almost surely, 2^985718434 is an apocalyptic number.

985718434 is a deficient number, since it is larger than the sum of its proper divisors (493347146).

985718434 is a wasteful number, since it uses less digits than its factorization.

985718434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162644.

The product of its digits is 967680, while the sum is 49.

The square root of 985718434 is about 31396.1531720050. The cubic root of 985718434 is about 995.2166338907.

The spelling of 985718434 in words is "nine hundred eighty-five million, seven hundred eighteen thousand, four hundred thirty-four".