842689300 has 18 divisors (see below), whose sum is σ = 1828635998. Its totient is φ = 337075680.

The previous prime is 842689283. The next prime is 842689301. The reversal of 842689300 is 3986248.

It can be written as a sum of positive squares in 3 ways, for example, as 64516 + 842624784 = 254^2 + 29028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842689301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4213347 + ... + 4213546.

Almost surely, 2^842689300 is an apocalyptic number.

It is an amenable number.

842689300 is an abundant number, since it is smaller than the sum of its proper divisors (985946698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842689300 is a wasteful number, since it uses less digits than its factorization.

842689300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8426907 (or 8426900 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 842689300 is about 29029.1112506050. Note that the first 3 decimals coincide. The cubic root of 842689300 is about 944.5446515231.

The spelling of 842689300 in words is "eight hundred forty-two million, six hundred eighty-nine thousand, three hundred".