42893816 has 24 divisors (see below), whose sum is σ = 93557520. Its totient is φ = 18382896.

The previous prime is 42893803. The next prime is 42893821. The reversal of 42893816 is 61839824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54320 + ... + 55103.

It is an arithmetic number, because the mean of its divisors is an integer number (3898230).

Almost surely, 2^42893816 is an apocalyptic number.

It is an amenable number.

42893816 is an abundant number, since it is smaller than the sum of its proper divisors (50663704).

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

42893816 is a wasteful number, since it uses less digits than its factorization.

42893816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109443 (or 109432 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 42893816 is about 6549.3370656884. The cubic root of 42893816 is about 350.0511925120.

The spelling of 42893816 in words is "forty-two million, eight hundred ninety-three thousand, eight hundred sixteen".