28996755 has 32 divisors (see below), whose sum is σ = 49559040. Its totient is φ = 14434560.

The previous prime is 28996733. The next prime is 28996757. The reversal of 28996755 is 55769982.

It is a happy number.

It is not a de Polignac number, because 28996755 - 2⁶ = 28996691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28996698 and 28996707.

It is not an unprimeable number, because it can be changed into a prime (28996757) 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, 19519 + ... + 20951.

It is an arithmetic number, because the mean of its divisors is an integer number (1548720).

Almost surely, 2^28996755 is an apocalyptic number.

28996755 is a deficient number, since it is larger than the sum of its proper divisors (20562285).

28996755 is a wasteful number, since it uses less digits than its factorization.

28996755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531.

The product of its digits is 1360800, while the sum is 51.

The square root of 28996755 is about 5384.8635080195. The cubic root of 28996755 is about 307.2202227525.

The spelling of 28996755 in words is "twenty-eight million, nine hundred ninety-six thousand, seven hundred fifty-five".