28669364 has 12 divisors (see below), whose sum is σ = 50266944. Its totient is φ = 14307384.

The previous prime is 28669357. The next prime is 28669369. The reversal of 28669364 is 46396682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28669369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4364 + ... + 8739.

It is an arithmetic number, because the mean of its divisors is an integer number (4188912).

Almost surely, 2^28669364 is an apocalyptic number.

It is an amenable number.

28669364 is a deficient number, since it is larger than the sum of its proper divisors (21597580).

28669364 is a wasteful number, since it uses less digits than its factorization.

28669364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13654 (or 13652 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 28669364 is about 5354.3780217687. The cubic root of 28669364 is about 306.0596093308.

The spelling of 28669364 in words is "twenty-eight million, six hundred sixty-nine thousand, three hundred sixty-four".