457048947 has 6 divisors (see below), whose sum is σ = 609447972. Its totient is φ = 304674612.

The previous prime is 457048919. The next prime is 457048951. The reversal of 457048947 is 749840754.

It is not a de Polignac number, because 457048947 - 2⁶ = 457048883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 457048896 and 457048905.

It is not an unprimeable number, because it can be changed into a prime (457048147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30858 + ... + 43200.

It is an arithmetic number, because the mean of its divisors is an integer number (101574662).

Almost surely, 2^457048947 is an apocalyptic number.

457048947 is a deficient number, since it is larger than the sum of its proper divisors (152399025).

457048947 is an frugal number, since it uses more digits than its factorization.

457048947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24689 (or 12346 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 457048947 is about 21378.7031178227. The cubic root of 457048947 is about 770.2899605091.

Multiplying 457048947 by its sum of digits (48), we get a square (21938349456 = 148116²).

The spelling of 457048947 in words is "four hundred fifty-seven million, forty-eight thousand, nine hundred forty-seven".