16448472 has 24 divisors (see below), whose sum is σ = 44548140. Its totient is φ = 5482800.

The previous prime is 16448447. The next prime is 16448477. The reversal of 16448472 is 27484461.

16448472 is a `hidden beast` number, since 1 + 644 + 8 + 4 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×16448472² = 541104462269568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16448477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114154 + ... + 114297.

Almost surely, 2^16448472 is an apocalyptic number.

16448472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16448472 is an abundant number, since it is smaller than the sum of its proper divisors (28099668).

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

16448472 is a wasteful number, since it uses less digits than its factorization.

16448472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228463 (or 228456 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 16448472 is about 4055.6715843372. The cubic root of 16448472 is about 254.3168798108.

The spelling of 16448472 in words is "sixteen million, four hundred forty-eight thousand, four hundred seventy-two".