28964826 has 48 divisors (see below), whose sum is σ = 68859648. Its totient is φ = 8726400.

The previous prime is 28964809. The next prime is 28964833. The reversal of 28964826 is 62846982.

It is a super-2 number, since 2×28964826² = 1677922290420552, which contains 22 as substring.

Its product of digits (331776) is a multiple of the sum of its prime divisors (864).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47415 + ... + 48021.

It is an arithmetic number, because the mean of its divisors is an integer number (1434576).

Almost surely, 2^28964826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28964826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34429824).

28964826 is an abundant number, since it is smaller than the sum of its proper divisors (39894822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28964826 is a wasteful number, since it uses less digits than its factorization.

28964826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 864 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 28964826 is about 5381.8979923443. The cubic root of 28964826 is about 307.1074188993.

The spelling of 28964826 in words is "twenty-eight million, nine hundred sixty-four thousand, eight hundred twenty-six".