26429928 has 32 divisors (see below), whose sum is σ = 75514560. Its totient is φ = 7551360.

The previous prime is 26429927. The next prime is 26429941. The reversal of 26429928 is 82992462.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 26429928.

It is not an unprimeable number, because it can be changed into a prime (26429927) 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, 78493 + ... + 78828.

It is an arithmetic number, because the mean of its divisors is an integer number (2359830).

Almost surely, 2^26429928 is an apocalyptic number.

26429928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26429928 is an abundant number, since it is smaller than the sum of its proper divisors (49084632).

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

26429928 is a wasteful number, since it uses less digits than its factorization.

26429928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157337 (or 157333 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 26429928 is about 5141.0045710931. The cubic root of 26429928 is about 297.8735857071.

The spelling of 26429928 in words is "twenty-six million, four hundred twenty-nine thousand, nine hundred twenty-eight".