452647428 has 24 divisors (see below), whose sum is σ = 1092598080. Its totient is φ = 145679520.

The previous prime is 452647411. The next prime is 452647439. The reversal of 452647428 is 824746254.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 452647428.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650008 + ... + 650703.

It is an arithmetic number, because the mean of its divisors is an integer number (45524920).

Almost surely, 2^452647428 is an apocalyptic number.

It is an amenable number.

452647428 is an abundant number, since it is smaller than the sum of its proper divisors (639950652).

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

452647428 is a wasteful number, since it uses less digits than its factorization.

452647428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300747 (or 1300745 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The square root of 452647428 is about 21275.5124027601. The cubic root of 452647428 is about 767.8092720280.

The spelling of 452647428 in words is "four hundred fifty-two million, six hundred forty-seven thousand, four hundred twenty-eight".