496415721 has 8 divisors (see below), whose sum is σ = 662037664. Its totient is φ = 330868800.

The previous prime is 496415719. The next prime is 496415729. The reversal of 496415721 is 127514694.

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

It is not a de Polignac number, because 496415721 - 2¹ = 496415719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 496415721.

It is not an unprimeable number, because it can be changed into a prime (496415729) 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, 880 + ... + 31521.

It is an arithmetic number, because the mean of its divisors is an integer number (82754708).

Almost surely, 2^496415721 is an apocalyptic number.

It is an amenable number.

496415721 is a deficient number, since it is larger than the sum of its proper divisors (165621943).

496415721 is a wasteful number, since it uses less digits than its factorization.

496415721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37511.

The product of its digits is 60480, while the sum is 39.

The square root of 496415721 is about 22280.3887084584. The cubic root of 496415721 is about 791.7994132240.

The spelling of 496415721 in words is "four hundred ninety-six million, four hundred fifteen thousand, seven hundred twenty-one".