27823990 has 16 divisors (see below), whose sum is σ = 50528448. Its totient is φ = 11030656.

The previous prime is 27823979. The next prime is 27824009. The reversal of 27823990 is 9932872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11182 + ... + 13441.

It is an arithmetic number, because the mean of its divisors is an integer number (3158028).

Almost surely, 2^27823990 is an apocalyptic number.

27823990 is a deficient number, since it is larger than the sum of its proper divisors (22704458).

27823990 is a wasteful number, since it uses less digits than its factorization.

27823990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24743.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 27823990 is about 5274.8450214201. The cubic root of 27823990 is about 303.0212854519.

The spelling of 27823990 in words is "twenty-seven million, eight hundred twenty-three thousand, nine hundred ninety".