28369000 has 64 divisors (see below), whose sum is σ = 72446400. Its totient is φ = 10312000.

The previous prime is 28368983. The next prime is 28369013. The reversal of 28369000 is 96382.

It is a super-2 number, since 2×28369000² = 1609600322000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28369000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9711 + ... + 12289.

It is an arithmetic number, because the mean of its divisors is an integer number (1131975).

Almost surely, 2^28369000 is an apocalyptic number.

28369000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28369000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36223200).

28369000 is an abundant number, since it is smaller than the sum of its proper divisors (44077400).

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

28369000 is a wasteful number, since it uses less digits than its factorization.

28369000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611 (or 2597 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 28369000 is about 5326.2557204851. The cubic root of 28369000 is about 304.9870101070.

The spelling of 28369000 in words is "twenty-eight million, three hundred sixty-nine thousand".