26384428 has 12 divisors (see below), whose sum is σ = 52768912. Its totient is φ = 11307600.

The previous prime is 26384417. The next prime is 26384471. The reversal of 26384428 is 82448362.

26384428 is an admirable number.

It is a super-2 number, since 2×26384428² = 1392276081774368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471123 + ... + 471178.

Almost surely, 2^26384428 is an apocalyptic number.

26384428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26384428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26384428 is a wasteful number, since it uses less digits than its factorization.

26384428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942312 (or 942310 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 26384428 is about 5136.5774597489. The cubic root of 26384428 is about 297.7025544295.

The spelling of 26384428 in words is "twenty-six million, three hundred eighty-four thousand, four hundred twenty-eight".