42893845 has 16 divisors (see below), whose sum is σ = 52819200. Its totient is φ = 33424704.

The previous prime is 42893843. The next prime is 42893867. The reversal of 42893845 is 54839824.

It is a cyclic number.

It is not a de Polignac number, because 42893845 - 2¹ = 42893843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42893843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81754 + ... + 82276.

It is an arithmetic number, because the mean of its divisors is an integer number (3301200).

Almost surely, 2^42893845 is an apocalyptic number.

It is an amenable number.

42893845 is a deficient number, since it is larger than the sum of its proper divisors (9925355).

42893845 is a wasteful number, since it uses less digits than its factorization.

42893845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its digits is 276480, while the sum is 43.

The square root of 42893845 is about 6549.3392796526. The cubic root of 42893845 is about 350.0512714005.

The spelling of 42893845 in words is "forty-two million, eight hundred ninety-three thousand, eight hundred forty-five".