457749392 has 10 divisors (see below), whose sum is σ = 886889478. Its totient is φ = 228874688.

The previous prime is 457749367. The next prime is 457749401. The reversal of 457749392 is 293947754.

It can be written as a sum of positive squares in only one way, i.e., 447914896 + 9834496 = 21164^2 + 3136^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 457749392.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14304653 + ... + 14304684.

Almost surely, 2^457749392 is an apocalyptic number.

It is an amenable number.

457749392 is a deficient number, since it is larger than the sum of its proper divisors (429140086).

457749392 is a wasteful number, since it uses less digits than its factorization.

457749392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28609345 (or 28609339 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 50.

The square root of 457749392 is about 21395.0786864643. The cubic root of 457749392 is about 770.6832592754.

The spelling of 457749392 in words is "four hundred fifty-seven million, seven hundred forty-nine thousand, three hundred ninety-two".