457686449 has 32 divisors (see below), whose sum is σ = 529708032. Its totient is φ = 391680000.

The previous prime is 457686419. The next prime is 457686451. The reversal of 457686449 is 944686754.

It is a cyclic number.

It is not a de Polignac number, because 457686449 - 2¹² = 457682353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 457686449.

It is not an unprimeable number, because it can be changed into a prime (457686419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3340709 + ... + 3340845.

It is an arithmetic number, because the mean of its divisors is an integer number (16553376).

Almost surely, 2^457686449 is an apocalyptic number.

It is an amenable number.

457686449 is a deficient number, since it is larger than the sum of its proper divisors (72021583).

457686449 is a wasteful number, since it uses less digits than its factorization.

457686449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377.

The product of its digits is 5806080, while the sum is 53.

The square root of 457686449 is about 21393.6076667775. The cubic root of 457686449 is about 770.6479332937.

The spelling of 457686449 in words is "four hundred fifty-seven million, six hundred eighty-six thousand, four hundred forty-nine".