28945754 has 32 divisors (see below), whose sum is σ = 46932480. Its totient is φ = 13363200.

The previous prime is 28945739. The next prime is 28945757. The reversal of 28945754 is 45754982.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28945757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149882 + ... + 150074.

It is an arithmetic number, because the mean of its divisors is an integer number (1466640).

Almost surely, 2^28945754 is an apocalyptic number.

28945754 is a deficient number, since it is larger than the sum of its proper divisors (17986726).

28945754 is a wasteful number, since it uses less digits than its factorization.

28945754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its digits is 403200, while the sum is 44.

The square root of 28945754 is about 5380.1258349596. The cubic root of 28945754 is about 307.0399987495.

The spelling of 28945754 in words is "twenty-eight million, nine hundred forty-five thousand, seven hundred fifty-four".