1447938828 has 288 divisors, whose sum is σ = 4574169600. Its totient is φ = 400075200.

The previous prime is 1447938743. The next prime is 1447938839. The reversal of 1447938828 is 8288397441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14335978 + ... + 14336078.

Almost surely, 2^1447938828 is an apocalyptic number.

1447938828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1447938828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2287084800).

1447938828 is an abundant number, since it is smaller than the sum of its proper divisors (3126230772).

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

1447938828 is a wasteful number, since it uses less digits than its factorization.

1447938828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 156 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 1447938828 is about 38051.7913901567. The cubic root of 1447938828 is about 1131.3146335974.

The spelling of 1447938828 in words is "one billion, four hundred forty-seven million, nine hundred thirty-eight thousand, eight hundred twenty-eight".