465387228 has 96 divisors (see below), whose sum is σ = 1244113920. Its totient is φ = 150353280.

The previous prime is 465387217. The next prime is 465387229. The reversal of 465387228 is 822783564.

465387228 is a `hidden beast` number, since 46 + 5 + 387 + 228 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465387229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1004925 + ... + 1005387.

It is an arithmetic number, because the mean of its divisors is an integer number (12959520).

Almost surely, 2^465387228 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 465387228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622056960).

465387228 is an abundant number, since it is smaller than the sum of its proper divisors (778726692).

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

465387228 is a wasteful number, since it uses less digits than its factorization.

465387228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 736 counting only the distinct ones).

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

The square root of 465387228 is about 21572.8354186463. The cubic root of 465387228 is about 774.9460818542.

The spelling of 465387228 in words is "four hundred sixty-five million, three hundred eighty-seven thousand, two hundred twenty-eight".