28208954 has 8 divisors (see below), whose sum is σ = 42471540. Its totient is φ = 14051776.

The previous prime is 28208951. The next prime is 28208963. The reversal of 28208954 is 45980282.

It can be written as a sum of positive squares in 2 ways, for example, as 27931225 + 277729 = 5285^2 + 527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28208951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25679 + ... + 26754.

Almost surely, 2^28208954 is an apocalyptic number.

28208954 is a deficient number, since it is larger than the sum of its proper divisors (14262586).

28208954 is a wasteful number, since it uses less digits than its factorization.

28208954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52704.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 28208954 is about 5311.2102199028. The cubic root of 28208954 is about 304.4123918971.

The spelling of 28208954 in words is "twenty-eight million, two hundred eight thousand, nine hundred fifty-four".