842682889 has 16 divisors (see below), whose sum is σ = 918016000. Its totient is φ = 770582160.

The previous prime is 842682857. The next prime is 842682917. The reversal of 842682889 is 988286248.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 842682889 - 2⁵ = 842682857 is a prime.

It is a super-2 number, since 2×842682889² = 1420228902826772642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842682839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256942 + ... + 260200.

It is an arithmetic number, because the mean of its divisors is an integer number (57376000).

Almost surely, 2^842682889 is an apocalyptic number.

It is an amenable number.

842682889 is a deficient number, since it is larger than the sum of its proper divisors (75333111).

842682889 is a wasteful number, since it uses less digits than its factorization.

842682889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748.

The product of its digits is 3538944, while the sum is 55.

The square root of 842682889 is about 29029.0008267594. Note that the first 3 decimals coincide. The cubic root of 842682889 is about 944.5422562191.

The spelling of 842682889 in words is "eight hundred forty-two million, six hundred eighty-two thousand, eight hundred eighty-nine".