1395604885 has 8 divisors (see below), whose sum is σ = 1773239256. Its totient is φ = 1050808320.

The previous prime is 1395604883. The next prime is 1395604901. The reversal of 1395604885 is 5884065931.

It can be written as a sum of positive squares in 4 ways, for example, as 59629284 + 1335975601 = 7722^2 + 36551^2 .

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

It is not a de Polignac number, because 1395604885 - 2¹ = 1395604883 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 (1395604883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8209356 + ... + 8209525.

It is an arithmetic number, because the mean of its divisors is an integer number (221654907).

Almost surely, 2^1395604885 is an apocalyptic number.

It is an amenable number.

1395604885 is a deficient number, since it is larger than the sum of its proper divisors (377634371).

1395604885 is a wasteful number, since it uses less digits than its factorization.

1395604885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16418903.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 1395604885 is about 37357.7955050884. The cubic root of 1395604885 is about 1117.5170561953.

The spelling of 1395604885 in words is "one billion, three hundred ninety-five million, six hundred four thousand, eight hundred eighty-five".