457781346 has 24 divisors (see below), whose sum is σ = 1082029104. Its totient is φ = 138721560.

The previous prime is 457781341. The next prime is 457781347. The reversal of 457781346 is 643187754.

It is not an unprimeable number, because it can be changed into a prime (457781341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1155816 + ... + 1156211.

It is an arithmetic number, because the mean of its divisors is an integer number (45084546).

Almost surely, 2^457781346 is an apocalyptic number.

457781346 is an abundant number, since it is smaller than the sum of its proper divisors (624247758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

457781346 is a wasteful number, since it uses less digits than its factorization.

457781346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312046 (or 2312043 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 457781346 is about 21395.8254339486. The cubic root of 457781346 is about 770.7011918241.

The spelling of 457781346 in words is "four hundred fifty-seven million, seven hundred eighty-one thousand, three hundred forty-six".