842619321 has 16 divisors (see below), whose sum is σ = 1250366400. Its totient is φ = 560827584.

The previous prime is 842619313. The next prime is 842619343. The reversal of 842619321 is 123916248.

842619321 is a `hidden beast` number, since 8 + 4 + 2 + 619 + 32 + 1 = 666.

It is not a de Polignac number, because 842619321 - 2³ = 842619313 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (842619361) 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, 8496 + ... + 41921.

It is an arithmetic number, because the mean of its divisors is an integer number (78147900).

Almost surely, 2^842619321 is an apocalyptic number.

It is an amenable number.

842619321 is a deficient number, since it is larger than the sum of its proper divisors (407747079).

842619321 is a wasteful number, since it uses less digits than its factorization.

842619321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51045 (or 51039 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 842619321 is about 29027.9059010463. The cubic root of 842619321 is about 944.5185050260.

The spelling of 842619321 in words is "eight hundred forty-two million, six hundred nineteen thousand, three hundred twenty-one".