42293859 has 4 divisors (see below), whose sum is σ = 56391816. Its totient is φ = 28195904.

The previous prime is 42293833. The next prime is 42293869. The reversal of 42293859 is 95839224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42293859 - 2⁷ = 42293731 is a prime.

It is a super-2 number, since 2×42293859² = 3577541018223762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42293859.

It is not an unprimeable number, because it can be changed into a prime (42293809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7048974 + ... + 7048979.

It is an arithmetic number, because the mean of its divisors is an integer number (14097954).

Almost surely, 2^42293859 is an apocalyptic number.

42293859 is a deficient number, since it is larger than the sum of its proper divisors (14097957).

42293859 is a wasteful number, since it uses less digits than its factorization.

42293859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14097956.

The product of its digits is 155520, while the sum is 42.

The square root of 42293859 is about 6503.3728941219. The cubic root of 42293859 is about 348.4114650150.

The spelling of 42293859 in words is "forty-two million, two hundred ninety-three thousand, eight hundred fifty-nine".