27956930 has 8 divisors (see below), whose sum is σ = 50322492. Its totient is φ = 11182768.

The previous prime is 27956927. The next prime is 27956933. The reversal of 27956930 is 3965972.

It is an interprime number because it is at equal distance from previous prime (27956927) and next prime (27956933).

It can be written as a sum of positive squares in 2 ways, for example, as 25816561 + 2140369 = 5081^2 + 1463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27956933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397837 + ... + 1397856.

Almost surely, 2^27956930 is an apocalyptic number.

27956930 is a deficient number, since it is larger than the sum of its proper divisors (22365562).

27956930 is a wasteful number, since it uses less digits than its factorization.

27956930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795700.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 27956930 is about 5287.4313234311. The cubic root of 27956930 is about 303.5031198027.

The spelling of 27956930 in words is "twenty-seven million, nine hundred fifty-six thousand, nine hundred thirty".