457320406 has 4 divisors (see below), whose sum is σ = 685980612. Its totient is φ = 228660202.

The previous prime is 457320397. The next prime is 457320427. The reversal of 457320406 is 604023754.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114330100 + ... + 114330103.

It is an arithmetic number, because the mean of its divisors is an integer number (171495153).

Almost surely, 2^457320406 is an apocalyptic number.

457320406 is a deficient number, since it is larger than the sum of its proper divisors (228660206).

457320406 is a wasteful number, since it uses less digits than its factorization.

457320406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228660205.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 457320406 is about 21385.0509936264. The cubic root of 457320406 is about 770.4424319672.

The spelling of 457320406 in words is "four hundred fifty-seven million, three hundred twenty thousand, four hundred six".