28520954 has 64 divisors (see below), whose sum is σ = 56263680. Its totient is φ = 10523520.

The previous prime is 28520941. The next prime is 28520959. The reversal of 28520954 is 45902582.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28520959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390662 + ... + 390734.

It is an arithmetic number, because the mean of its divisors is an integer number (879120).

Almost surely, 2^28520954 is an apocalyptic number.

28520954 is a deficient number, since it is larger than the sum of its proper divisors (27742726).

28520954 is a wasteful number, since it uses less digits than its factorization.

28520954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 28520954 is about 5340.5012873325. The cubic root of 28520954 is about 305.5305787530.

The spelling of 28520954 in words is "twenty-eight million, five hundred twenty thousand, nine hundred fifty-four".