26647428 has 24 divisors (see below), whose sum is σ = 62302240. Its totient is φ = 8864640.

The previous prime is 26647427. The next prime is 26647429. The reversal of 26647428 is 82474662.

It is an interprime number because it is at equal distance from previous prime (26647427) and next prime (26647429).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26647421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4908 + ... + 8796.

Almost surely, 2^26647428 is an apocalyptic number.

It is an amenable number.

26647428 is an abundant number, since it is smaller than the sum of its proper divisors (35654812).

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

26647428 is a wasteful number, since it uses less digits than its factorization.

26647428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467 (or 4465 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 26647428 is about 5162.1146829570. The cubic root of 26647428 is about 298.6884522755.

The spelling of 26647428 in words is "twenty-six million, six hundred forty-seven thousand, four hundred twenty-eight".