27423830 has 24 divisors (see below), whose sum is σ = 57423168. Its totient is φ = 9402288.

The previous prime is 27423829. The next prime is 27423841. The reversal of 27423830 is 3832472.

It is a junction number, because it is equal to n+sod(n) for n = 27423793 and 27423802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27494 + ... + 28473.

It is an arithmetic number, because the mean of its divisors is an integer number (2392632).

Almost surely, 2^27423830 is an apocalyptic number.

27423830 is an abundant number, since it is smaller than the sum of its proper divisors (29999338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27423830 is a wasteful number, since it uses less digits than its factorization.

27423830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55988 (or 55981 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 27423830 is about 5236.7766803636. The cubic root of 27423830 is about 301.5615980089.

The spelling of 27423830 in words is "twenty-seven million, four hundred twenty-three thousand, eight hundred thirty".