65489394 has 8 divisors (see below), whose sum is σ = 130978800. Its totient is φ = 21829796.

The previous prime is 65489393. The next prime is 65489399. The reversal of 65489394 is 49398456.

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

65489394 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65489393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5457444 + ... + 5457455.

It is an arithmetic number, because the mean of its divisors is an integer number (16372350).

Almost surely, 2^65489394 is an apocalyptic number.

65489394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65489394 is a wasteful number, since it uses less digits than its factorization.

65489394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10914904.

The product of its digits is 933120, while the sum is 48.

The square root of 65489394 is about 8092.5517607242. The cubic root of 65489394 is about 403.0791405798.

The spelling of 65489394 in words is "sixty-five million, four hundred eighty-nine thousand, three hundred ninety-four".