454347828 has 72 divisors (see below), whose sum is σ = 1255939776. Its totient is φ = 137347200.

The previous prime is 454347769. The next prime is 454347869. The reversal of 454347828 is 828743454.

It is a happy number.

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 198048 + ... + 200328.

It is an arithmetic number, because the mean of its divisors is an integer number (17443608).

Almost surely, 2^454347828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454347828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627969888).

454347828 is an abundant number, since it is smaller than the sum of its proper divisors (801591948).

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

454347828 is a wasteful number, since it uses less digits than its factorization.

454347828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805 (or 2800 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 454347828 is about 21315.4363783620. The cubic root of 454347828 is about 768.7695127310.

The spelling of 454347828 in words is "four hundred fifty-four million, three hundred forty-seven thousand, eight hundred twenty-eight".