244091605 has 4 divisors (see below), whose sum is σ = 292909932. Its totient is φ = 195273280.

The previous prime is 244091599. The next prime is 244091621. The reversal of 244091605 is 506190442.

244091605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36990724 + 207100881 = 6082^2 + 14391^2 .

It is not a de Polignac number, because 244091605 - 2²⁷ = 109873877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24409156 + ... + 24409165.

It is an arithmetic number, because the mean of its divisors is an integer number (73227483).

Almost surely, 2^244091605 is an apocalyptic number.

It is an amenable number.

244091605 is a deficient number, since it is larger than the sum of its proper divisors (48818327).

244091605 is an equidigital number, since it uses as much as digits as its factorization.

244091605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48818326.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 244091605 is about 15623.4312812519. The cubic root of 244091605 is about 624.9581668000.

The spelling of 244091605 in words is "two hundred forty-four million, ninety-one thousand, six hundred five".