454397628 has 24 divisors (see below), whose sum is σ = 1094464000. Its totient is φ = 146579760.

The previous prime is 454397621. The next prime is 454397633. The reversal of 454397628 is 826793454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454397621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610378 + ... + 611121.

Almost surely, 2^454397628 is an apocalyptic number.

It is an amenable number.

454397628 is an abundant number, since it is smaller than the sum of its proper divisors (640066372).

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

454397628 is a wasteful number, since it uses less digits than its factorization.

454397628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221537 (or 1221535 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 454397628 is about 21316.6045138526. The cubic root of 454397628 is about 768.7975993793.

The spelling of 454397628 in words is "four hundred fifty-four million, three hundred ninety-seven thousand, six hundred twenty-eight".