42008914 has 4 divisors (see below), whose sum is σ = 63013374. Its totient is φ = 21004456.

The previous prime is 42008903. The next prime is 42008917. The reversal of 42008914 is 41980024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31979025 + 10029889 = 5655^2 + 3167^2 .

It is not an unprimeable number, because it can be changed into a prime (42008917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10502227 + ... + 10502230.

Almost surely, 2^42008914 is an apocalyptic number.

42008914 is a deficient number, since it is larger than the sum of its proper divisors (21004460).

42008914 is a wasteful number, since it uses less digits than its factorization.

42008914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21004459.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 42008914 is about 6481.4283919519. The cubic root of 42008914 is about 347.6272542582.

Adding to 42008914 its reverse (41980024), we get a palindrome (83988938).

The spelling of 42008914 in words is "forty-two million, eight thousand, nine hundred fourteen".