457823628 has 18 divisors (see below), whose sum is σ = 1157276484. Its totient is φ = 152607864.

The previous prime is 457823627. The next prime is 457823629. The reversal of 457823628 is 826328754.

It is an interprime number because it is at equal distance from previous prime (457823627) and next prime (457823629).

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (457823627) 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, 6358626 + ... + 6358697.

It is an arithmetic number, because the mean of its divisors is an integer number (64293138).

Almost surely, 2^457823628 is an apocalyptic number.

It is an amenable number.

457823628 is an abundant number, since it is smaller than the sum of its proper divisors (699452856).

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

457823628 is a wasteful number, since it uses less digits than its factorization.

457823628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12717333 (or 12717328 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 457823628 is about 21396.8135010800. The cubic root of 457823628 is about 770.7249191522.

The spelling of 457823628 in words is "four hundred fifty-seven million, eight hundred twenty-three thousand, six hundred twenty-eight".