28341045 has 24 divisors (see below), whose sum is σ = 50325912. Its totient is φ = 14745600.

The previous prime is 28341031. The next prime is 28341077. The reversal of 28341045 is 54014382.

It can be written as a sum of positive squares in 4 ways, for example, as 904401 + 27436644 = 951^2 + 5238^2 .

It is not a de Polignac number, because 28341045 - 2¹⁰ = 28340021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5836 + ... + 9525.

It is an arithmetic number, because the mean of its divisors is an integer number (2096913).

Almost surely, 2^28341045 is an apocalyptic number.

It is an amenable number.

28341045 is a deficient number, since it is larger than the sum of its proper divisors (21984867).

28341045 is a wasteful number, since it uses less digits than its factorization.

28341045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15413 (or 15410 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 28341045 is about 5323.6308098891. The cubic root of 28341045 is about 304.8867984452.

It can be divided in two parts, 283 and 41045, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 28341045 in words is "twenty-eight million, three hundred forty-one thousand, forty-five".