27435940 has 24 divisors (see below), whose sum is σ = 65846592. Its totient is φ = 9406560.

The previous prime is 27435923. The next prime is 27435949. The reversal of 27435940 is 4953472.

It is a junction number, because it is equal to n+sod(n) for n = 27435896 and 27435905.

It is not an unprimeable number, because it can be changed into a prime (27435949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97846 + ... + 98125.

It is an arithmetic number, because the mean of its divisors is an integer number (2743608).

Almost surely, 2^27435940 is an apocalyptic number.

27435940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27435940 is an abundant number, since it is smaller than the sum of its proper divisors (38410652).

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

27435940 is a wasteful number, since it uses less digits than its factorization.

27435940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195987 (or 195985 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 27435940 is about 5237.9327983471. The cubic root of 27435940 is about 301.6059800122.

The spelling of 27435940 in words is "twenty-seven million, four hundred thirty-five thousand, nine hundred forty".