28934969 has 12 divisors (see below), whose sum is σ = 35130624. Its totient is φ = 23340864.

The previous prime is 28934951. The next prime is 28934977. The reversal of 28934969 is 96943982.

It is not a de Polignac number, because 28934969 - 2¹⁶ = 28869433 is a prime.

It is a super-2 number, since 2×28934969² = 1674464862061922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28934669) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5129 + ... + 9174.

It is an arithmetic number, because the mean of its divisors is an integer number (2927552).

Almost surely, 2^28934969 is an apocalyptic number.

It is an amenable number.

28934969 is a deficient number, since it is larger than the sum of its proper divisors (6195655).

28934969 is a wasteful number, since it uses less digits than its factorization.

28934969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14344 (or 14327 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The square root of 28934969 is about 5379.1234416027. The cubic root of 28934969 is about 307.0018603091.

It can be divided in two parts, 289 and 34969, that multiplied together give a square (10106041 = 3179²).

The spelling of 28934969 in words is "twenty-eight million, nine hundred thirty-four thousand, nine hundred sixty-nine".