842500838 has 8 divisors (see below), whose sum is σ = 1270166832. Its totient is φ = 419111896.

The previous prime is 842500801. The next prime is 842500861. The reversal of 842500838 is 838005248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068770 + ... + 1069557.

It is an arithmetic number, because the mean of its divisors is an integer number (158770854).

Almost surely, 2^842500838 is an apocalyptic number.

842500838 is a deficient number, since it is larger than the sum of its proper divisors (427665994).

842500838 is a wasteful number, since it uses less digits than its factorization.

842500838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138526.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 842500838 is about 29025.8649828046. The cubic root of 842500838 is about 944.4742325102.

The spelling of 842500838 in words is "eight hundred forty-two million, five hundred thousand, eight hundred thirty-eight".