457904193 has 16 divisors (see below), whose sum is σ = 647271936. Its totient is φ = 287435520.

The previous prime is 457904191. The next prime is 457904201. The reversal of 457904193 is 391409754.

It is not a de Polignac number, because 457904193 - 2¹ = 457904191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (457904191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63096 + ... + 69977.

It is an arithmetic number, because the mean of its divisors is an integer number (40454496).

Almost surely, 2^457904193 is an apocalyptic number.

It is an amenable number.

457904193 is a deficient number, since it is larger than the sum of its proper divisors (189367743).

457904193 is a wasteful number, since it uses less digits than its factorization.

457904193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133144.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 457904193 is about 21398.6960584051. The cubic root of 457904193 is about 770.7701256520.

The spelling of 457904193 in words is "four hundred fifty-seven million, nine hundred four thousand, one hundred ninety-three".