27933819 has 12 divisors (see below), whose sum is σ = 39310056. Its totient is φ = 17641728.

The previous prime is 27933803. The next prime is 27933823. The reversal of 27933819 is 91833972.

It is not a de Polignac number, because 27933819 - 2⁴ = 27933803 is a prime.

It is a super-2 number, since 2×27933819² = 1560596487849522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27933859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11814 + ... + 13979.

It is an arithmetic number, because the mean of its divisors is an integer number (3275838).

Almost surely, 2^27933819 is an apocalyptic number.

27933819 is a deficient number, since it is larger than the sum of its proper divisors (11376237).

27933819 is a wasteful number, since it uses less digits than its factorization.

27933819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25834 (or 25815 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 27933819 is about 5285.2454058445. The cubic root of 27933819 is about 303.4194650010.

The spelling of 27933819 in words is "twenty-seven million, nine hundred thirty-three thousand, eight hundred nineteen".