28964546 has 16 divisors (see below), whose sum is σ = 46894848. Its totient is φ = 13338000.

The previous prime is 28964543. The next prime is 28964563. The reversal of 28964546 is 64546982.

It is a super-2 number, since 2×28964546² = 1677889849972232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28964497 and 28964506.

It is not an unprimeable number, because it can be changed into a prime (28964543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13871 + ... + 15821.

It is an arithmetic number, because the mean of its divisors is an integer number (2930928).

Almost surely, 2^28964546 is an apocalyptic number.

28964546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28964546 is a deficient number, since it is larger than the sum of its proper divisors (17930302).

28964546 is a wasteful number, since it uses less digits than its factorization.

28964546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537.

The product of its digits is 414720, while the sum is 44.

The square root of 28964546 is about 5381.8719791537. The cubic root of 28964546 is about 307.1064293041.

The spelling of 28964546 in words is "twenty-eight million, nine hundred sixty-four thousand, five hundred forty-six".