26420604 has 72 divisors (see below), whose sum is σ = 72471168. Its totient is φ = 7491120.

The previous prime is 26420599. The next prime is 26420609. The reversal of 26420604 is 40602462.

It is an interprime number because it is at equal distance from previous prime (26420599) and next prime (26420609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26420609) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 201619 + ... + 201749.

It is an arithmetic number, because the mean of its divisors is an integer number (1006544).

Almost surely, 2^26420604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26420604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36235584).

26420604 is an abundant number, since it is smaller than the sum of its proper divisors (46050564).

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

26420604 is an equidigital number, since it uses as much as digits as its factorization.

26420604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 26420604 is about 5140.0976644418. The cubic root of 26420604 is about 297.8385534515.

The spelling of 26420604 in words is "twenty-six million, four hundred twenty thousand, six hundred four".