1395934388 has 12 divisors (see below), whose sum is σ = 2449887300. Its totient is φ = 695966592.

The previous prime is 1395934373. The next prime is 1395934399. The reversal of 1395934388 is 8834395931.

It can be written as a sum of positive squares in 2 ways, for example, as 573506704 + 822427684 = 23948^2 + 28678^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498581 + ... + 501372.

It is an arithmetic number, because the mean of its divisors is an integer number (204157275).

Almost surely, 2^1395934388 is an apocalyptic number.

It is an amenable number.

1395934388 is a deficient number, since it is larger than the sum of its proper divisors (1053952912).

1395934388 is a wasteful number, since it uses less digits than its factorization.

1395934388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000306 (or 1000304 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The square root of 1395934388 is about 37362.2053417621. The cubic root of 1395934388 is about 1117.6049980502.

The spelling of 1395934388 in words is "one billion, three hundred ninety-five million, nine hundred thirty-four thousand, three hundred eighty-eight".