452621892 has 12 divisors (see below), whose sum is σ = 1056117776. Its totient is φ = 150873960.

The previous prime is 452621867. The next prime is 452621921. The reversal of 452621892 is 298126254.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 452621892.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18859234 + ... + 18859257.

Almost surely, 2^452621892 is an apocalyptic number.

It is an amenable number.

452621892 is an abundant number, since it is smaller than the sum of its proper divisors (603495884).

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

452621892 is a wasteful number, since it uses less digits than its factorization.

452621892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37718498 (or 37718496 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 452621892 is about 21274.9122677392. The cubic root of 452621892 is about 767.7948331623.

The spelling of 452621892 in words is "four hundred fifty-two million, six hundred twenty-one thousand, eight hundred ninety-two".