457403893 has 4 divisors (see below), whose sum is σ = 457446688. Its totient is φ = 457361100.

The previous prime is 457403873. The next prime is 457403897. The reversal of 457403893 is 398304754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 457403893 - 2⁵ = 457403861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457403897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9718 + ... + 31768.

It is an arithmetic number, because the mean of its divisors is an integer number (114361672).

Almost surely, 2^457403893 is an apocalyptic number.

It is an amenable number.

457403893 is a deficient number, since it is larger than the sum of its proper divisors (42795).

457403893 is a wasteful number, since it uses less digits than its factorization.

457403893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42794.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 457403893 is about 21387.0028989571. The cubic root of 457403893 is about 770.4893123110.

The spelling of 457403893 in words is "four hundred fifty-seven million, four hundred three thousand, eight hundred ninety-three".