28962155 has 8 divisors (see below), whose sum is σ = 35953200. Its totient is φ = 22370656.

The previous prime is 28962127. The next prime is 28962161. The reversal of 28962155 is 55126982.

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

It is a cyclic number.

It is not a de Polignac number, because 28962155 - 2¹⁰ = 28961131 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99725 + ... + 100014.

It is an arithmetic number, because the mean of its divisors is an integer number (4494150).

Almost surely, 2^28962155 is an apocalyptic number.

28962155 is a deficient number, since it is larger than the sum of its proper divisors (6991045).

28962155 is a wasteful number, since it uses less digits than its factorization.

28962155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199773.

The product of its digits is 43200, while the sum is 38.

The square root of 28962155 is about 5381.6498399654. The cubic root of 28962155 is about 307.0979786086.

The spelling of 28962155 in words is "twenty-eight million, nine hundred sixty-two thousand, one hundred fifty-five".