42892399 has 4 divisors (see below), whose sum is σ = 46791720. Its totient is φ = 38993080.

The previous prime is 42892379. The next prime is 42892403. The reversal of 42892399 is 99329824.

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 42892399 - 2⁹ = 42891887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42892379) 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, 1949644 + ... + 1949665.

It is an arithmetic number, because the mean of its divisors is an integer number (11697930).

Almost surely, 2^42892399 is an apocalyptic number.

42892399 is a deficient number, since it is larger than the sum of its proper divisors (3899321).

42892399 is a wasteful number, since it uses less digits than its factorization.

42892399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899320.

The product of its digits is 279936, while the sum is 46.

The square root of 42892399 is about 6549.2288859071. The cubic root of 42892399 is about 350.0473378149.

The spelling of 42892399 in words is "forty-two million, eight hundred ninety-two thousand, three hundred ninety-nine".