493082421 has 16 divisors (see below), whose sum is σ = 708415680. Its totient is φ = 303264000.

The previous prime is 493082377. The next prime is 493082431. The reversal of 493082421 is 124280394.

It is not a de Polignac number, because 493082421 - 2¹⁰ = 493081397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493082431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124845 + ... + 128733.

It is an arithmetic number, because the mean of its divisors is an integer number (44275980).

Almost surely, 2^493082421 is an apocalyptic number.

It is an amenable number.

493082421 is a deficient number, since it is larger than the sum of its proper divisors (215333259).

493082421 is a wasteful number, since it uses less digits than its factorization.

493082421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 493082421 is about 22205.4592611817. The cubic root of 493082421 is about 790.0231905813.

The spelling of 493082421 in words is "four hundred ninety-three million, eighty-two thousand, four hundred twenty-one".