457308397 has 32 divisors (see below), whose sum is σ = 606341120. Its totient is φ = 334756800.

The previous prime is 457308391. The next prime is 457308409. The reversal of 457308397 is 793803754.

It is a happy number.

It is not a de Polignac number, because 457308397 - 2¹¹ = 457306349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457308391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71272 + ... + 77422.

It is an arithmetic number, because the mean of its divisors is an integer number (18948160).

Almost surely, 2^457308397 is an apocalyptic number.

It is an amenable number.

457308397 is a deficient number, since it is larger than the sum of its proper divisors (149032723).

457308397 is a wasteful number, since it uses less digits than its factorization.

457308397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 457308397 is about 21384.7702115314. The cubic root of 457308397 is about 770.4356881001.

The spelling of 457308397 in words is "four hundred fifty-seven million, three hundred eight thousand, three hundred ninety-seven".