457731946 has 8 divisors (see below), whose sum is σ = 784683360. Its totient is φ = 196170828.

The previous prime is 457731943. The next prime is 457731961. The reversal of 457731946 is 649137754.

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

It is a junction number, because it is equal to n+sod(n) for n = 457731896 and 457731905.

It is not an unprimeable number, because it can be changed into a prime (457731943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16347556 + ... + 16347583.

It is an arithmetic number, because the mean of its divisors is an integer number (98085420).

Almost surely, 2^457731946 is an apocalyptic number.

457731946 is a deficient number, since it is larger than the sum of its proper divisors (326951414).

457731946 is a wasteful number, since it uses less digits than its factorization.

457731946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32695148.

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

The square root of 457731946 is about 21394.6709719967. The cubic root of 457731946 is about 770.6734682477.

The spelling of 457731946 in words is "four hundred fifty-seven million, seven hundred thirty-one thousand, nine hundred forty-six".