842667424 has 48 divisors (see below), whose sum is σ = 1799481096. Its totient is φ = 386867200.

The previous prime is 842667403. The next prime is 842667433. The reversal of 842667424 is 424766248.

It can be written as a sum of positive squares in 4 ways, for example, as 745290000 + 97377424 = 27300^2 + 9868^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3414 + ... + 41194.

Almost surely, 2^842667424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842667424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899740548).

842667424 is an abundant number, since it is smaller than the sum of its proper divisors (956813672).

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

842667424 is a wasteful number, since it uses less digits than its factorization.

842667424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37849 (or 37841 counting only the distinct ones).

The product of its digits is 516096, while the sum is 43.

The square root of 842667424 is about 29028.7344539854. The cubic root of 842667424 is about 944.5364780727.

The spelling of 842667424 in words is "eight hundred forty-two million, six hundred sixty-seven thousand, four hundred twenty-four".