28434055 has 16 divisors (see below), whose sum is σ = 37001664. Its totient is φ = 20851200.

The previous prime is 28434053. The next prime is 28434079. The reversal of 28434055 is 55043482.

It is not a de Polignac number, because 28434055 - 2¹ = 28434053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28434053) 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, 8367 + ... + 11263.

It is an arithmetic number, because the mean of its divisors is an integer number (2312604).

Almost surely, 2^28434055 is an apocalyptic number.

28434055 is a deficient number, since it is larger than the sum of its proper divisors (8567609).

28434055 is a wasteful number, since it uses less digits than its factorization.

28434055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 28434055 is about 5332.3592339601. The cubic root of 28434055 is about 305.2199613685.

The spelling of 28434055 in words is "twenty-eight million, four hundred thirty-four thousand, fifty-five".