472263828 has 12 divisors (see below), whose sum is σ = 1101948960. Its totient is φ = 157421272.

The previous prime is 472263821. The next prime is 472263863. The reversal of 472263828 is 828362274.

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 472263828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472263821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19677648 + ... + 19677671.

It is an arithmetic number, because the mean of its divisors is an integer number (91829080).

Almost surely, 2^472263828 is an apocalyptic number.

It is an amenable number.

472263828 is an abundant number, since it is smaller than the sum of its proper divisors (629685132).

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

472263828 is a wasteful number, since it uses less digits than its factorization.

472263828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39355326 (or 39355324 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 472263828 is about 21731.6319681703. The cubic root of 472263828 is about 778.7443241567.

The spelling of 472263828 in words is "four hundred seventy-two million, two hundred sixty-three thousand, eight hundred twenty-eight".