472639860 has 336 divisors, whose sum is σ = 1859743872. Its totient is φ = 97977600.

The previous prime is 472639859. The next prime is 472639861. The reversal of 472639860 is 68936274.

472639860 is a `hidden beast` number, since 4 + 7 + 2 + 639 + 8 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (472639859) and next prime (472639861).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472639861) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1122450 + ... + 1122870.

It is an arithmetic number, because the mean of its divisors is an integer number (5534952).

Almost surely, 2^472639860 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 472639860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929871936).

472639860 is an abundant number, since it is smaller than the sum of its proper divisors (1387104012).

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

472639860 is a wasteful number, since it uses less digits than its factorization.

472639860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 472639860 is about 21740.2819668927. The cubic root of 472639860 is about 778.9509566092.

The spelling of 472639860 in words is "four hundred seventy-two million, six hundred thirty-nine thousand, eight hundred sixty".