457402 has 16 divisors (see below), whose sum is σ = 793152. Its totient is φ = 195520.

The previous prime is 457399. The next prime is 457403. The reversal of 457402 is 204754.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (457403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238 + ... + 985.

It is an arithmetic number, because the mean of its divisors is an integer number (49572).

2⁴⁵⁷⁴⁰² is an apocalyptic number.

457402 is a deficient number, since it is larger than the sum of its proper divisors (335750).

457402 is a wasteful number, since it uses less digits than its factorization.

457402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 457402 is about 676.3150153590. The cubic root of 457402 is about 77.0488249400.

It can be divided in two parts, 45 and 7402, that added together give a palindrome (7447).

The spelling of 457402 in words is "four hundred fifty-seven thousand, four hundred two".