16299400 has 48 divisors (see below), whose sum is σ = 40817700. Its totient is φ = 6017280.

The previous prime is 16299391. The next prime is 16299401. The reversal of 16299400 is 499261.

It is a happy number.

16299400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1965604 + 14333796 = 1402^2 + 3786^2 .

It is not an unprimeable number, because it can be changed into a prime (16299401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535 + ... + 5734.

Almost surely, 2^16299400 is an apocalyptic number.

16299400 is a gapful number since it is divisible by the number (10) 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 16299400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20408850).

16299400 is an abundant number, since it is smaller than the sum of its proper divisors (24518300).

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

16299400 is a wasteful number, since it uses less digits than its factorization.

16299400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6298 (or 6289 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 16299400 is about 4037.2515403428. The cubic root of 16299400 is about 253.5462583531.

The spelling of 16299400 in words is "sixteen million, two hundred ninety-nine thousand, four hundred".