26828402 has 4 divisors (see below), whose sum is σ = 40242606. Its totient is φ = 13414200.

The previous prime is 26828401. The next prime is 26828413. The reversal of 26828402 is 20482862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26020201 + 808201 = 5101^2 + 899^2 .

It is not an unprimeable number, because it can be changed into a prime (26828401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6707099 + ... + 6707102.

Almost surely, 2^26828402 is an apocalyptic number.

26828402 is a deficient number, since it is larger than the sum of its proper divisors (13414204).

26828402 is a wasteful number, since it uses less digits than its factorization.

26828402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13414203.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 26828402 is about 5179.6140782881. The cubic root of 26828402 is about 299.3631006729.

The spelling of 26828402 in words is "twenty-six million, eight hundred twenty-eight thousand, four hundred two".