42905854 has 8 divisors (see below), whose sum is σ = 65134440. Its totient is φ = 21194376.

The previous prime is 42905843. The next prime is 42905861. The reversal of 42905854 is 45850924.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129069 + ... + 129400.

It is an arithmetic number, because the mean of its divisors is an integer number (8141805).

Almost surely, 2^42905854 is an apocalyptic number.

42905854 is a deficient number, since it is larger than the sum of its proper divisors (22228586).

42905854 is a wasteful number, since it uses less digits than its factorization.

42905854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258554.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 42905854 is about 6550.2560255306. The cubic root of 42905854 is about 350.0839363315.

The spelling of 42905854 in words is "forty-two million, nine hundred five thousand, eight hundred fifty-four".