27420984 has 32 divisors (see below), whose sum is σ = 76170000. Its totient is φ = 9140256.

The previous prime is 27420977. The next prime is 27421007. The reversal of 27420984 is 48902472.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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, 63259 + ... + 63690.

Almost surely, 2^27420984 is an apocalyptic number.

27420984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27420984 is an abundant number, since it is smaller than the sum of its proper divisors (48749016).

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

27420984 is a wasteful number, since it uses less digits than its factorization.

27420984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126964 (or 126954 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 27420984 is about 5236.5049412752. The cubic root of 27420984 is about 301.5511657923.

The spelling of 27420984 in words is "twenty-seven million, four hundred twenty thousand, nine hundred eighty-four".