1395373838 has 8 divisors (see below), whose sum is σ = 2216182032. Its totient is φ = 656646496.

The previous prime is 1395373817. The next prime is 1395373843. The reversal of 1395373838 is 8383735931.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20520170 + ... + 20520237.

It is an arithmetic number, because the mean of its divisors is an integer number (277022754).

Almost surely, 2^1395373838 is an apocalyptic number.

1395373838 is a deficient number, since it is larger than the sum of its proper divisors (820808194).

1395373838 is a wasteful number, since it uses less digits than its factorization.

1395373838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41040426.

The product of its digits is 1632960, while the sum is 50.

The square root of 1395373838 is about 37354.7030238496. The cubic root of 1395373838 is about 1117.4553832447.

The spelling of 1395373838 in words is "one billion, three hundred ninety-five million, three hundred seventy-three thousand, eight hundred thirty-eight".