457326646 has 8 divisors (see below), whose sum is σ = 783988560. Its totient is φ = 195997128.

The previous prime is 457326643. The next prime is 457326647. The reversal of 457326646 is 646623754.

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

It is a super-2 number, since 2×457326646² = 418295322283218632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457326643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16333081 + ... + 16333108.

It is an arithmetic number, because the mean of its divisors is an integer number (97998570).

Almost surely, 2^457326646 is an apocalyptic number.

457326646 is a deficient number, since it is larger than the sum of its proper divisors (326661914).

457326646 is a wasteful number, since it uses less digits than its factorization.

457326646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32666198.

The product of its digits is 725760, while the sum is 43.

The square root of 457326646 is about 21385.1968894373. The cubic root of 457326646 is about 770.4459361033.

The spelling of 457326646 in words is "four hundred fifty-seven million, three hundred twenty-six thousand, six hundred forty-six".