42309854 has 8 divisors (see below), whose sum is σ = 65512128. Its totient is φ = 20472480.

The previous prime is 42309803. The next prime is 42309871. The reversal of 42309854 is 45890324.

42309854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341147 + ... + 341270.

It is an arithmetic number, because the mean of its divisors is an integer number (8189016).

Almost surely, 2^42309854 is an apocalyptic number.

42309854 is a deficient number, since it is larger than the sum of its proper divisors (23202274).

42309854 is a wasteful number, since it uses less digits than its factorization.

42309854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682450.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 42309854 is about 6504.6025243669. The cubic root of 42309854 is about 348.4553810754.

The spelling of 42309854 in words is "forty-two million, three hundred nine thousand, eight hundred fifty-four".