648396950 has 48 divisors (see below), whose sum is σ = 1228354416. Its totient is φ = 254592000.

The previous prime is 648396901. The next prime is 648396971. The reversal of 648396950 is 59693846.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1463429 + ... + 1463871.

It is an arithmetic number, because the mean of its divisors is an integer number (25590717).

Almost surely, 2^648396950 is an apocalyptic number.

648396950 is a deficient number, since it is larger than the sum of its proper divisors (579957466).

648396950 is a wasteful number, since it uses less digits than its factorization.

648396950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 648396950 is about 25463.6397633960. The cubic root of 648396950 is about 865.5264039457.

The spelling of 648396950 in words is "six hundred forty-eight million, three hundred ninety-six thousand, nine hundred fifty".