42340999 has 8 divisors (see below), whose sum is σ = 46781280. Its totient is φ = 38117376.

The previous prime is 42340981. The next prime is 42341003. The reversal of 42340999 is 99904324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42340999 - 2⁵ = 42340967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340979) 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, 53754 + ... + 54535.

It is an arithmetic number, because the mean of its divisors is an integer number (5847660).

Almost surely, 2^42340999 is an apocalyptic number.

42340999 is a deficient number, since it is larger than the sum of its proper divisors (4440281).

42340999 is a wasteful number, since it uses less digits than its factorization.

42340999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108329.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 42340999 is about 6506.9961579826. The cubic root of 42340999 is about 348.5408614066.

The spelling of 42340999 in words is "forty-two million, three hundred forty thousand, nine hundred ninety-nine".