842417436 has 48 divisors (see below), whose sum is σ = 2318919680. Its totient is φ = 232925760.

The previous prime is 842417431. The next prime is 842417441. The reversal of 842417436 is 634714248.

It is an interprime number because it is at equal distance from previous prime (842417431) and next prime (842417441).

It is a junction number, because it is equal to n+sod(n) for n = 842417394 and 842417403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842417431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159151 + ... + 164358.

Almost surely, 2^842417436 is an apocalyptic number.

It is an amenable number.

842417436 is an abundant number, since it is smaller than the sum of its proper divisors (1476502244).

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

842417436 is a wasteful number, since it uses less digits than its factorization.

842417436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323554 (or 323552 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 842417436 is about 29024.4282631028. The cubic root of 842417436 is about 944.4430659183.

The spelling of 842417436 in words is "eight hundred forty-two million, four hundred seventeen thousand, four hundred thirty-six".