28964799 has 6 divisors (see below), whose sum is σ = 41838056. Its totient is φ = 19309860.

The previous prime is 28964791. The next prime is 28964807. The reversal of 28964799 is 99746982.

It is an interprime number because it is at equal distance from previous prime (28964791) and next prime (28964807).

It is not a de Polignac number, because 28964799 - 2³ = 28964791 is a prime.

It is a super-2 number, since 2×28964799² = 1677919162220802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28964791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1609147 + ... + 1609164.

Almost surely, 2^28964799 is an apocalyptic number.

28964799 is a deficient number, since it is larger than the sum of its proper divisors (12873257).

28964799 is a wasteful number, since it uses less digits than its factorization.

28964799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218317 (or 3218314 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 28964799 is about 5381.8954839350. The cubic root of 28964799 is about 307.1073234743.

The spelling of 28964799 in words is "twenty-eight million, nine hundred sixty-four thousand, seven hundred ninety-nine".