395498845 has 12 divisors (see below), whose sum is σ = 552084444. Its totient is φ = 271199040.

The previous prime is 395498827. The next prime is 395498849. The reversal of 395498845 is 548894593.

It can be written as a sum of positive squares in 2 ways, for example, as 125126596 + 270372249 = 11186^2 + 16443^2 .

It is not a de Polignac number, because 395498845 - 2⁹ = 395498333 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 (395498849) 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 11 ways as a sum of consecutive naturals, for example, 806896 + ... + 807385.

It is an arithmetic number, because the mean of its divisors is an integer number (46007037).

Almost surely, 2^395498845 is an apocalyptic number.

395498845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

395498845 is a deficient number, since it is larger than the sum of its proper divisors (156585599).

395498845 is a wasteful number, since it uses less digits than its factorization.

395498845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614300 (or 1614293 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 55.

The square root of 395498845 is about 19887.1527625249. The cubic root of 395498845 is about 734.0321349715.

The spelling of 395498845 in words is "three hundred ninety-five million, four hundred ninety-eight thousand, eight hundred forty-five".