842170452 has 24 divisors (see below), whose sum is σ = 1967817600. Its totient is φ = 280330176.

The previous prime is 842170423. The next prime is 842170457. The reversal of 842170452 is 254071248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842170457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40177 + ... + 57432.

It is an arithmetic number, because the mean of its divisors is an integer number (81992400).

Almost surely, 2^842170452 is an apocalyptic number.

It is an amenable number.

842170452 is an abundant number, since it is smaller than the sum of its proper divisors (1125647148).

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

842170452 is a wasteful number, since it uses less digits than its factorization.

842170452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98335 (or 98333 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 842170452 is about 29020.1731903860. The cubic root of 842170452 is about 944.3507581081.

The spelling of 842170452 in words is "eight hundred forty-two million, one hundred seventy thousand, four hundred fifty-two".