28026010 has 8 divisors (see below), whose sum is σ = 50446836. Its totient is φ = 11210400.

The previous prime is 28025999. The next prime is 28026017. The reversal of 28026010 is 1062082.

28026010 = T₄₃₂₁ + T₄₃₂₂ + T₄₃₂₃.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27994681 + 31329 = 5291^2 + 177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28026017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401291 + ... + 1401310.

Almost surely, 2^28026010 is an apocalyptic number.

28026010 is the 4323-rd centered triangular number.

28026010 is a deficient number, since it is larger than the sum of its proper divisors (22420826).

28026010 is a wasteful number, since it uses less digits than its factorization.

28026010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802608.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 28026010 is about 5293.9597656197. The cubic root of 28026010 is about 303.7528938967.

Adding to 28026010 its reverse (1062082), we get a palindrome (29088092).

The spelling of 28026010 in words is "twenty-eight million, twenty-six thousand, ten".