42289846 has 8 divisors (see below), whose sum is σ = 67166280. Its totient is φ = 19901088.

The previous prime is 42289837. The next prime is 42289879. The reversal of 42289846 is 64898224.

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

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, 621876 + ... + 621943.

It is an arithmetic number, because the mean of its divisors is an integer number (8395785).

Almost surely, 2^42289846 is an apocalyptic number.

42289846 is a deficient number, since it is larger than the sum of its proper divisors (24876434).

42289846 is a wasteful number, since it uses less digits than its factorization.

42289846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243838.

The product of its digits is 221184, while the sum is 43.

The square root of 42289846 is about 6503.0643545947. The cubic root of 42289846 is about 348.4004451375.

The spelling of 42289846 in words is "forty-two million, two hundred eighty-nine thousand, eight hundred forty-six".