28301704 has 8 divisors (see below), whose sum is σ = 53065710. Its totient is φ = 14150848.

The previous prime is 28301701. The next prime is 28301711. The reversal of 28301704 is 40710382.

It can be written as a sum of positive squares in only one way, i.e., 16728100 + 11573604 = 4090^2 + 3402^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (28301701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1768849 + ... + 1768864.

Almost surely, 2^28301704 is an apocalyptic number.

It is an amenable number.

28301704 is a deficient number, since it is larger than the sum of its proper divisors (24764006).

28301704 is a wasteful number, since it uses less digits than its factorization.

28301704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537719 (or 3537715 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 28301704 is about 5319.9345860640. The cubic root of 28301704 is about 304.7456591446.

The spelling of 28301704 in words is "twenty-eight million, three hundred one thousand, seven hundred four".