42338899 has 4 divisors (see below), whose sum is σ = 42366640. Its totient is φ = 42311160.

The previous prime is 42338887. The next prime is 42338909. The reversal of 42338899 is 99883324.

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 42338899 - 2¹³ = 42330707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42338599) 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, 11439 + ... + 14680.

It is an arithmetic number, because the mean of its divisors is an integer number (10591660).

Almost surely, 2^42338899 is an apocalyptic number.

42338899 is a deficient number, since it is larger than the sum of its proper divisors (27741).

42338899 is a wasteful number, since it uses less digits than its factorization.

42338899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27740.

The product of its digits is 373248, while the sum is 46.

The square root of 42338899 is about 6506.8347912022. The cubic root of 42338899 is about 348.5350990807.

The spelling of 42338899 in words is "forty-two million, three hundred thirty-eight thousand, eight hundred ninety-nine".