472163828 has 12 divisors (see below), whose sum is σ = 826446432. Its totient is φ = 236036280.

The previous prime is 472163827. The next prime is 472163837. The reversal of 472163828 is 828361274.

It is a super-2 number, since 2×472163828² = 445877360943227168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472163827) 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, 24263 + ... + 39153.

It is an arithmetic number, because the mean of its divisors is an integer number (68870536).

Almost surely, 2^472163828 is an apocalyptic number.

It is an amenable number.

472163828 is a deficient number, since it is larger than the sum of its proper divisors (354282604).

472163828 is a wasteful number, since it uses less digits than its factorization.

472163828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22822 (or 22820 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 472163828 is about 21729.3310527499. The cubic root of 472163828 is about 778.6893549319.

The spelling of 472163828 in words is "four hundred seventy-two million, one hundred sixty-three thousand, eight hundred twenty-eight".