42854999 has 4 divisors (see below), whose sum is σ = 46750920. Its totient is φ = 38959080.

The previous prime is 42854993. The next prime is 42855017. The reversal of 42854999 is 99945824.

It is a happy number.

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 42854999 - 2⁴ = 42854983 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 (42854993) 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, 1947944 + ... + 1947965.

It is an arithmetic number, because the mean of its divisors is an integer number (11687730).

Almost surely, 2^42854999 is an apocalyptic number.

42854999 is a deficient number, since it is larger than the sum of its proper divisors (3895921).

42854999 is a wasteful number, since it uses less digits than its factorization.

42854999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895920.

The product of its digits is 933120, while the sum is 50.

The square root of 42854999 is about 6546.3729652381. The cubic root of 42854999 is about 349.9455670451.

The spelling of 42854999 in words is "forty-two million, eight hundred fifty-four thousand, nine hundred ninety-nine".