444385097 has 4 divisors (see below), whose sum is σ = 478568580. Its totient is φ = 410201616.

The previous prime is 444385069. The next prime is 444385103. The reversal of 444385097 is 790583444.

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 144264121 + 300120976 = 12011^2 + 17324^2 .

It is a cyclic number.

It is not a de Polignac number, because 444385097 - 2¹⁸ = 444122953 is a prime.

It is a super-2 number, since 2×444385097² = 394956228871398818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444385037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17091722 + ... + 17091747.

It is an arithmetic number, because the mean of its divisors is an integer number (119642145).

Almost surely, 2^444385097 is an apocalyptic number.

It is an amenable number.

444385097 is a deficient number, since it is larger than the sum of its proper divisors (34183483).

444385097 is a wasteful number, since it uses less digits than its factorization.

444385097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34183482.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 444385097 is about 21080.4434725648. The cubic root of 444385097 is about 763.1088589244.

The spelling of 444385097 in words is "four hundred forty-four million, three hundred eighty-five thousand, ninety-seven".