26628948 has 18 divisors (see below), whose sum is σ = 67312154. Its totient is φ = 8876304.

The previous prime is 26628929. The next prime is 26628971. The reversal of 26628948 is 84982662.

It can be written as a sum of positive squares in only one way, i.e., 24324624 + 2304324 = 4932^2 + 1518^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 369811 + ... + 369882.

Almost surely, 2^26628948 is an apocalyptic number.

It is an amenable number.

26628948 is an abundant number, since it is smaller than the sum of its proper divisors (40683206).

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

26628948 is a wasteful number, since it uses less digits than its factorization.

26628948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739703 (or 739698 counting only the distinct ones).

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

The square root of 26628948 is about 5160.3244084069. The cubic root of 26628948 is about 298.6193894617.

The spelling of 26628948 in words is "twenty-six million, six hundred twenty-eight thousand, nine hundred forty-eight".