244608991 has 8 divisors (see below), whose sum is σ = 267205968. Its totient is φ = 222072000.

The previous prime is 244608989. The next prime is 244609031. The reversal of 244608991 is 199806442.

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

It is a cyclic number.

It is not a de Polignac number, because 244608991 - 2¹ = 244608989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244608391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6240 + ... + 22981.

It is an arithmetic number, because the mean of its divisors is an integer number (33400746).

Almost surely, 2^244608991 is an apocalyptic number.

244608991 is a deficient number, since it is larger than the sum of its proper divisors (22596977).

244608991 is a wasteful number, since it uses less digits than its factorization.

244608991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29993.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 244608991 is about 15639.9805306784. The cubic root of 244608991 is about 625.3994170113.

The spelling of 244608991 in words is "two hundred forty-four million, six hundred eight thousand, nine hundred ninety-one".