64089842 has 8 divisors (see below), whose sum is σ = 96826800. Its totient is φ = 31814244.

The previous prime is 64089841. The next prime is 64089887. The reversal of 64089842 is 24898046.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64089842.

It is not an unprimeable number, because it can be changed into a prime (64089841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114992 + ... + 115547.

It is an arithmetic number, because the mean of its divisors is an integer number (12103350).

Almost surely, 2^64089842 is an apocalyptic number.

64089842 is a deficient number, since it is larger than the sum of its proper divisors (32736958).

64089842 is a wasteful number, since it uses less digits than its factorization.

64089842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230680.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 64089842 is about 8005.6131557801. The cubic root of 64089842 is about 400.1870833193.

The spelling of 64089842 in words is "sixty-four million, eighty-nine thousand, eight hundred forty-two".