64048821 has 8 divisors (see below), whose sum is σ = 88153344. Its totient is φ = 41321760.

The previous prime is 64048763. The next prime is 64048823. The reversal of 64048821 is 12884046.

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

It is not a de Polignac number, because 64048821 - 2⁶ = 64048757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64048823) 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, 344256 + ... + 344441.

It is an arithmetic number, because the mean of its divisors is an integer number (11019168).

Almost surely, 2^64048821 is an apocalyptic number.

It is an amenable number.

64048821 is a deficient number, since it is larger than the sum of its proper divisors (24104523).

64048821 is a wasteful number, since it uses less digits than its factorization.

64048821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688731.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 64048821 is about 8003.0507308151. The cubic root of 64048821 is about 400.1016845651.

It can be divided in two parts, 6404 and 8821, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 64048821 in words is "sixty-four million, forty-eight thousand, eight hundred twenty-one".