501646396 has 12 divisors (see below), whose sum is σ = 886573800. Its totient is φ = 248339600.

The previous prime is 501646393. The next prime is 501646429. The reversal of 501646396 is 693646105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501646391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620446 + ... + 621253.

It is an arithmetic number, because the mean of its divisors is an integer number (73881150).

Almost surely, 2^501646396 is an apocalyptic number.

It is an amenable number.

501646396 is a deficient number, since it is larger than the sum of its proper divisors (384927404).

501646396 is a wasteful number, since it uses less digits than its factorization.

501646396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241804 (or 1241802 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 501646396 is about 22397.4640528788. The cubic root of 501646396 is about 794.5707351234.

The spelling of 501646396 in words is "five hundred one million, six hundred forty-six thousand, three hundred ninety-six".