64404803 has 8 divisors (see below), whose sum is σ = 65036400. Its totient is φ = 63776160.

The previous prime is 64404779. The next prime is 64404811. The reversal of 64404803 is 30840446.

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

It is a cyclic number.

It is not a de Polignac number, because 64404803 - 2¹⁴ = 64388419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64404833) 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, 84701 + ... + 85457.

It is an arithmetic number, because the mean of its divisors is an integer number (8129550).

Almost surely, 2^64404803 is an apocalyptic number.

64404803 is a deficient number, since it is larger than the sum of its proper divisors (631597).

64404803 is a wasteful number, since it uses less digits than its factorization.

64404803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 64404803 is about 8025.2603073047. The cubic root of 64404803 is about 400.8415677509.

The spelling of 64404803 in words is "sixty-four million, four hundred four thousand, eight hundred three".