64498539 has 8 divisors (see below), whose sum is σ = 98283520. Its totient is φ = 36856296.

The previous prime is 64498531. The next prime is 64498541. The reversal of 64498539 is 93589446.

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

It is not a de Polignac number, because 64498539 - 2³ = 64498531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64498531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535659 + ... + 1535700.

It is an arithmetic number, because the mean of its divisors is an integer number (12285440).

Almost surely, 2^64498539 is an apocalyptic number.

64498539 is a deficient number, since it is larger than the sum of its proper divisors (33784981).

64498539 is a wasteful number, since it uses less digits than its factorization.

64498539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071369.

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

The square root of 64498539 is about 8031.0982437024. The cubic root of 64498539 is about 401.0359376833.

The spelling of 64498539 in words is "sixty-four million, four hundred ninety-eight thousand, five hundred thirty-nine".