16427448 has 80 divisors (see below), whose sum is σ = 46652760. Its totient is φ = 5400000.

The previous prime is 16427417. The next prime is 16427449. The reversal of 16427448 is 84472461.

16427448 is a `hidden beast` number, since 1 + 642 + 7 + 4 + 4 + 8 = 666.

It is a super-2 number, since 2×16427448² = 539722095585408, 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 (16427449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65323 + ... + 65573.

Almost surely, 2^16427448 is an apocalyptic number.

16427448 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 16427448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23326380).

16427448 is an abundant number, since it is smaller than the sum of its proper divisors (30225312).

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

16427448 is a wasteful number, since it uses less digits than its factorization.

16427448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 357 counting only the distinct ones).

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

The square root of 16427448 is about 4053.0788297293. The cubic root of 16427448 is about 254.2084799195.

The spelling of 16427448 in words is "sixteen million, four hundred twenty-seven thousand, four hundred forty-eight".