28026190 has 16 divisors (see below), whose sum is σ = 52640928. Its totient is φ = 10722976.

The previous prime is 28026181. The next prime is 28026191. The reversal of 28026190 is 9162082.

It is a happy number.

It is a super-2 number, since 2×28026190² = 1570934651832200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28026191) 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, 60697 + ... + 61156.

It is an arithmetic number, because the mean of its divisors is an integer number (3290058).

Almost surely, 2^28026190 is an apocalyptic number.

28026190 is a deficient number, since it is larger than the sum of its proper divisors (24614738).

28026190 is a wasteful number, since it uses less digits than its factorization.

28026190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121883.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 28026190 is about 5293.9767660994. The cubic root of 28026190 is about 303.7535441903.

The spelling of 28026190 in words is "twenty-eight million, twenty-six thousand, one hundred ninety".