26489428 has 24 divisors (see below), whose sum is σ = 53134592. Its totient is φ = 11319264.

The previous prime is 26489423. The next prime is 26489431. The reversal of 26489428 is 82498462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26489423) 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, 9925 + ... + 12307.

Almost surely, 2^26489428 is an apocalyptic number.

26489428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26489428 is an abundant number, since it is smaller than the sum of its proper divisors (26645164).

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

26489428 is a wasteful number, since it uses less digits than its factorization.

26489428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791 (or 2789 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 26489428 is about 5146.7881246463. The cubic root of 26489428 is about 298.0969460715.

The spelling of 26489428 in words is "twenty-six million, four hundred eighty-nine thousand, four hundred twenty-eight".