42089593 has 16 divisors (see below), whose sum is σ = 51955456. Its totient is φ = 33203520.

The previous prime is 42089591. The next prime is 42089639. The reversal of 42089593 is 39598024.

It is a happy number.

It is not a de Polignac number, because 42089593 - 2¹ = 42089591 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42089591) 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, 57055 + ... + 57787.

It is an arithmetic number, because the mean of its divisors is an integer number (3247216).

Almost surely, 2^42089593 is an apocalyptic number.

It is an amenable number.

42089593 is a deficient number, since it is larger than the sum of its proper divisors (9865863).

42089593 is a wasteful number, since it uses less digits than its factorization.

42089593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 42089593 is about 6487.6492661056. The cubic root of 42089593 is about 347.8496537544.

The spelling of 42089593 in words is "forty-two million, eighty-nine thousand, five hundred ninety-three".