623849472 has 104 divisors (see below), whose sum is σ = 1848544880. Its totient is φ = 207912960.

The previous prime is 623849437. The next prime is 623849503. The reversal of 623849472 is 274948326.

623849472 is a `hidden beast` number, since 62 + 38 + 494 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107772 + ... + 113412.

It is an arithmetic number, because the mean of its divisors is an integer number (17774470).

Almost surely, 2^623849472 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 623849472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924272440).

623849472 is an abundant number, since it is smaller than the sum of its proper divisors (1224695408).

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

623849472 is an equidigital number, since it uses as much as digits as its factorization.

623849472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5674 (or 5646 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 623849472 is about 24976.9788405243. The cubic root of 623849472 is about 854.4630176976.

The spelling of 623849472 in words is "six hundred twenty-three million, eight hundred forty-nine thousand, four hundred seventy-two".