42234399 has 8 divisors (see below), whose sum is σ = 62569520. Its totient is φ = 28156248.

The previous prime is 42234391. The next prime is 42234403. The reversal of 42234399 is 99343224.

It is not a de Polignac number, because 42234399 - 2³ = 42234391 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 (42234391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782092 + ... + 782145.

It is an arithmetic number, because the mean of its divisors is an integer number (7821190).

Almost surely, 2^42234399 is an apocalyptic number.

42234399 is a deficient number, since it is larger than the sum of its proper divisors (20335121).

42234399 is a wasteful number, since it uses less digits than its factorization.

42234399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564246 (or 1564240 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 42234399 is about 6498.7998122730. The cubic root of 42234399 is about 348.2481137854.

The spelling of 42234399 in words is "forty-two million, two hundred thirty-four thousand, three hundred ninety-nine".