496496421 has 12 divisors (see below), whose sum is σ = 730693548. Its totient is φ = 324752064.

The previous prime is 496496401. The next prime is 496496437. The reversal of 496496421 is 124694694.

It can be written as a sum of positive squares in 2 ways, for example, as 149084100 + 347412321 = 12210^2 + 18639^2 .

It is not a de Polignac number, because 496496421 - 2⁵ = 496496389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496496401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 519960 + ... + 520913.

It is an arithmetic number, because the mean of its divisors is an integer number (60891129).

Almost surely, 2^496496421 is an apocalyptic number.

It is an amenable number.

496496421 is a deficient number, since it is larger than the sum of its proper divisors (234197127).

496496421 is a wasteful number, since it uses less digits than its factorization.

496496421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040932 (or 1040929 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 496496421 is about 22282.1996445593. The cubic root of 496496421 is about 791.8423172845.

The spelling of 496496421 in words is "four hundred ninety-six million, four hundred ninety-six thousand, four hundred twenty-one".