28694344 has 32 divisors (see below), whose sum is σ = 63475200. Its totient is φ = 11900160.

The previous prime is 28694333. The next prime is 28694353. The reversal of 28694344 is 44349682.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28694297 and 28694306.

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, 6529 + ... + 10000.

It is an arithmetic number, because the mean of its divisors is an integer number (1983600).

Almost surely, 2^28694344 is an apocalyptic number.

It is an amenable number.

28694344 is an abundant number, since it is smaller than the sum of its proper divisors (34780856).

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

28694344 is a wasteful number, since it uses less digits than its factorization.

28694344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16573 (or 16569 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 28694344 is about 5356.7101844322. The cubic root of 28694344 is about 306.1484748018.

The spelling of 28694344 in words is "twenty-eight million, six hundred ninety-four thousand, three hundred forty-four".