244996986 has 32 divisors (see below), whose sum is σ = 531736128. Its totient is φ = 74805120.

The previous prime is 244996981. The next prime is 244996991. The reversal of 244996986 is 689699442.

It is an interprime number because it is at equal distance from previous prime (244996981) and next prime (244996991).

It is not an unprimeable number, because it can be changed into a prime (244996981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1771 + ... + 22206.

It is an arithmetic number, because the mean of its divisors is an integer number (16616754).

Almost surely, 2^244996986 is an apocalyptic number.

244996986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

244996986 is an abundant number, since it is smaller than the sum of its proper divisors (286739142).

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

244996986 is a wasteful number, since it uses less digits than its factorization.

244996986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24126.

The product of its digits is 6718464, while the sum is 57.

The square root of 244996986 is about 15652.3795635041. The cubic root of 244996986 is about 625.7299086283.

The spelling of 244996986 in words is "two hundred forty-four million, nine hundred ninety-six thousand, nine hundred eighty-six".