496646381 has 32 divisors (see below), whose sum is σ = 676823040. Its totient is φ = 352454400.

The previous prime is 496646369. The next prime is 496646389. The reversal of 496646381 is 183646694.

It is a cyclic number.

It is not a de Polignac number, because 496646381 - 2⁶ = 496646317 is a prime.

It is a super-2 number, since 2×496646381² = 493315255520794322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496646389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34460 + ... + 46698.

It is an arithmetic number, because the mean of its divisors is an integer number (21150720).

Almost surely, 2^496646381 is an apocalyptic number.

It is an amenable number.

496646381 is a deficient number, since it is larger than the sum of its proper divisors (180176659).

496646381 is a wasteful number, since it uses less digits than its factorization.

496646381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12305.

The product of its digits is 746496, while the sum is 47.

The square root of 496646381 is about 22285.5644083788. The cubic root of 496646381 is about 791.9220309983.

The spelling of 496646381 in words is "four hundred ninety-six million, six hundred forty-six thousand, three hundred eighty-one".