42350889 has 16 divisors (see below), whose sum is σ = 67341312. Its totient is φ = 23148048.

The previous prime is 42350887. The next prime is 42350899. The reversal of 42350889 is 98805324.

It is a happy number.

It is not a de Polignac number, because 42350889 - 2¹ = 42350887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42350881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43359 + ... + 44324.

It is an arithmetic number, because the mean of its divisors is an integer number (4208832).

Almost surely, 2^42350889 is an apocalyptic number.

It is an amenable number.

42350889 is a deficient number, since it is larger than the sum of its proper divisors (24990423).

42350889 is a wasteful number, since it uses less digits than its factorization.

42350889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87716.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 42350889 is about 6507.7560648814. The cubic root of 42350889 is about 348.5679966565.

The spelling of 42350889 in words is "forty-two million, three hundred fifty thousand, eight hundred eighty-nine".