26628004 has 24 divisors (see below), whose sum is σ = 50348088. Its totient is φ = 12249600.

The previous prime is 26627969. The next prime is 26628013. The reversal of 26628004 is 40082662.

It can be written as a sum of positive squares in 4 ways, for example, as 8988004 + 17640000 = 2998^2 + 4200^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 7.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20214 + ... + 21490.

It is an arithmetic number, because the mean of its divisors is an integer number (2097837).

Almost surely, 2^26628004 is an apocalyptic number.

It is an amenable number.

26628004 is a deficient number, since it is larger than the sum of its proper divisors (23720084).

26628004 is a wasteful number, since it uses less digits than its factorization.

26628004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 26628004 is about 5160.2329404786. The cubic root of 26628004 is about 298.6158607200.

The spelling of 26628004 in words is "twenty-six million, six hundred twenty-eight thousand, four".