457824394 has 8 divisors (see below), whose sum is σ = 687428388. Its totient is φ = 228681600.

The previous prime is 457824379. The next prime is 457824413. The reversal of 457824394 is 493428754.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 360506169 + 97318225 = 18987^2 + 9865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112807 + ... + 116794.

Almost surely, 2^457824394 is an apocalyptic number.

457824394 is a deficient number, since it is larger than the sum of its proper divisors (229603994).

457824394 is a wasteful number, since it uses less digits than its factorization.

457824394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230600.

The product of its digits is 967680, while the sum is 46.

The square root of 457824394 is about 21396.8314009341. The cubic root of 457824394 is about 770.7253489939.

It can be divided in two parts, 45782 and 4394, that added together give a square (50176 = 224²).

The spelling of 457824394 in words is "four hundred fifty-seven million, eight hundred twenty-four thousand, three hundred ninety-four".