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444117 = 3317467

444117 has 8 divisors (see below), whose sum is σ = 595296. Its totient is φ = 294512.

The previous prime is 444113. The next prime is 444121. The reversal of 444117 is 711444.

It can be divided in two parts, 444 and 117, that added together give a triangular number (561 = T33).

It is an interprime number because it is at equal distance from previous prime (444113) and next prime (444121).

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 444117 - 22 = 444113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444093 and 444102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 1184.

It is an arithmetic number, because the mean of its divisors is an integer number (74412).

2444117 is an apocalyptic number.

It is an amenable number.

444117 is a deficient number, since it is larger than the sum of its proper divisors (151179).

444117 is a wasteful number, since it uses less digits than its factorization.

444117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787.

The product of its digits is 448, while the sum is 21.

The square root of 444117 is about 666.4210380833. The cubic root of 444117 is about 76.2955367164.

The spelling of 444117 in words is "four hundred forty-four thousand, one hundred seventeen", and thus it is an iban number.

Divisors: 1 3 317 467 951 1401 148039 444117