42854091 has 16 divisors (see below), whose sum is σ = 65447424. Its totient is φ = 24433344.

The previous prime is 42854089. The next prime is 42854107. The reversal of 42854091 is 19045824.

It is not a de Polignac number, because 42854091 - 2¹ = 42854089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42854041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8535 + ... + 12591.

It is an arithmetic number, because the mean of its divisors is an integer number (4090464).

Almost surely, 2^42854091 is an apocalyptic number.

42854091 is a deficient number, since it is larger than the sum of its proper divisors (22593333).

42854091 is a wasteful number, since it uses less digits than its factorization.

42854091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 42854091 is about 6546.3036134906. The cubic root of 42854091 is about 349.9430955106.

The spelling of 42854091 in words is "forty-two million, eight hundred fifty-four thousand, ninety-one".