27964442 has 8 divisors (see below), whose sum is σ = 45760032. Its totient is φ = 12711100.

The previous prime is 27964441. The next prime is 27964451. The reversal of 27964442 is 24446972.

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

It is a junction number, because it is equal to n+sod(n) for n = 27964396 and 27964405.

It is not an unprimeable number, because it can be changed into a prime (27964441) 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, 635534 + ... + 635577.

It is an arithmetic number, because the mean of its divisors is an integer number (5720004).

Almost surely, 2^27964442 is an apocalyptic number.

27964442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27964442 is a deficient number, since it is larger than the sum of its proper divisors (17795590).

27964442 is a wasteful number, since it uses less digits than its factorization.

27964442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271124.

The product of its digits is 96768, while the sum is 38.

The square root of 27964442 is about 5288.1416395554. The cubic root of 27964442 is about 303.5303010330.

It can be divided in two parts, 27 and 964442, that added together give a palindrome (964469).

The spelling of 27964442 in words is "twenty-seven million, nine hundred sixty-four thousand, four hundred forty-two".