842621230 has 64 divisors (see below), whose sum is σ = 1724405760. Its totient is φ = 293673600.

The previous prime is 842621207. The next prime is 842621233. The reversal of 842621230 is 32126248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842621233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370557 + ... + 372823.

It is an arithmetic number, because the mean of its divisors is an integer number (26943840).

Almost surely, 2^842621230 is an apocalyptic number.

842621230 is an abundant number, since it is smaller than the sum of its proper divisors (881784530).

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

842621230 is a wasteful number, since it uses less digits than its factorization.

842621230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 842621230 is about 29027.9387831792. The cubic root of 842621230 is about 944.5192183115.

Adding to 842621230 its reverse (32126248), we get a palindrome (874747478).

The spelling of 842621230 in words is "eight hundred forty-two million, six hundred twenty-one thousand, two hundred thirty".