27989962 has 96 divisors (see below), whose sum is σ = 60060672. Its totient is φ = 9504000.

The previous prime is 27989933. The next prime is 27989971. The reversal of 27989962 is 26998972.

It is a super-2 number, since 2×27989962² = 1566875945522888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 682662 + ... + 682702.

It is an arithmetic number, because the mean of its divisors is an integer number (625632).

Almost surely, 2^27989962 is an apocalyptic number.

27989962 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27989962 is an abundant number, since it is smaller than the sum of its proper divisors (32070710).

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

27989962 is a wasteful number, since it uses less digits than its factorization.

27989962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 105 counting only the distinct ones).

The product of its digits is 979776, while the sum is 52.

The square root of 27989962 is about 5290.5540352594. The cubic root of 27989962 is about 303.6226056122.

It can be divided in two parts, 27 and 989962, that added together give a palindrome (989989).

The spelling of 27989962 in words is "twenty-seven million, nine hundred eighty-nine thousand, nine hundred sixty-two".