42839226 has 32 divisors (see below), whose sum is σ = 95705280. Its totient is φ = 14203728.

The previous prime is 42839207. The next prime is 42839239. The reversal of 42839226 is 62293824.

42839226 is a `hidden beast` number, since 428 + 3 + 9 + 226 = 666.

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8625 + ... + 12651.

It is an arithmetic number, because the mean of its divisors is an integer number (2990790).

Almost surely, 2^42839226 is an apocalyptic number.

42839226 is an abundant number, since it is smaller than the sum of its proper divisors (52866054).

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

42839226 is a wasteful number, since it uses less digits than its factorization.

42839226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235 (or 4229 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 42839226 is about 6545.1681414613. The cubic root of 42839226 is about 349.9026286958.

The spelling of 42839226 in words is "forty-two million, eight hundred thirty-nine thousand, two hundred twenty-six".