16028730 has 48 divisors (see below), whose sum is σ = 41881320. Its totient is φ = 4253184.

The previous prime is 16028729. The next prime is 16028743. The reversal of 16028730 is 3782061.

16028730 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4678569 + 11350161 = 2163^2 + 3369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16028694 and 16028703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27886 + ... + 28454.

Almost surely, 2^16028730 is an apocalyptic number.

16028730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16028730 is an abundant number, since it is smaller than the sum of its proper divisors (25852590).

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

16028730 is a wasteful number, since it uses less digits than its factorization.

16028730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 16028730 is about 4003.5896393112. The cubic root of 16028730 is about 252.1349428441.

The spelling of 16028730 in words is "sixteen million, twenty-eight thousand, seven hundred thirty".