42824999 has 16 divisors (see below), whose sum is σ = 49996800. Its totient is φ = 35925120.

The previous prime is 42824983. The next prime is 42825001. The reversal of 42824999 is 99942824.

It is not a de Polignac number, because 42824999 - 2⁴ = 42824983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42824699) 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, 98687 + ... + 99119.

It is an arithmetic number, because the mean of its divisors is an integer number (3124800).

Almost surely, 2^42824999 is an apocalyptic number.

42824999 is a deficient number, since it is larger than the sum of its proper divisors (7171801).

42824999 is a wasteful number, since it uses less digits than its factorization.

42824999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710.

The product of its digits is 373248, while the sum is 47.

The square root of 42824999 is about 6544.0812189336. The cubic root of 42824999 is about 349.8638899327.

The spelling of 42824999 in words is "forty-two million, eight hundred twenty-four thousand, nine hundred ninety-nine".