28848730 has 16 divisors (see below), whose sum is σ = 52780104. Its totient is φ = 11350080.

The previous prime is 28848713. The next prime is 28848751. The reversal of 28848730 is 3784882.

It can be written as a sum of positive squares in 4 ways, for example, as 15737089 + 13111641 = 3967^2 + 3621^2 .

It is a super-2 number, since 2×28848730² = 1664498445225800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23037 + ... + 24256.

Almost surely, 2^28848730 is an apocalyptic number.

28848730 is a deficient number, since it is larger than the sum of its proper divisors (23931374).

28848730 is a wasteful number, since it uses less digits than its factorization.

28848730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47361.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 28848730 is about 5371.1013768128. The cubic root of 28848730 is about 306.6965563704.

The spelling of 28848730 in words is "twenty-eight million, eight hundred forty-eight thousand, seven hundred thirty".