648382929 has 8 divisors (see below), whose sum is σ = 869340960. Its totient is φ = 429840096.

The previous prime is 648382927. The next prime is 648382951. The reversal of 648382929 is 929283846.

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

It is not a de Polignac number, because 648382929 - 2¹ = 648382927 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (648382927) 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, 603172 + ... + 604245.

It is an arithmetic number, because the mean of its divisors is an integer number (108667620).

Almost surely, 2^648382929 is an apocalyptic number.

It is an amenable number.

648382929 is a deficient number, since it is larger than the sum of its proper divisors (220958031).

648382929 is a wasteful number, since it uses less digits than its factorization.

648382929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207599.

The product of its digits is 1492992, while the sum is 51.

The square root of 648382929 is about 25463.3644477708. The cubic root of 648382929 is about 865.5201651577.

The spelling of 648382929 in words is "six hundred forty-eight million, three hundred eighty-two thousand, nine hundred twenty-nine".