1379225838 has 32 divisors (see below), whose sum is σ = 2836263456. Its totient is φ = 446802048.

The previous prime is 1379225833. The next prime is 1379225839. The reversal of 1379225838 is 8385229731.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379225833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221820 + ... + 227952.

It is an arithmetic number, because the mean of its divisors is an integer number (88633233).

Almost surely, 2^1379225838 is an apocalyptic number.

1379225838 is an abundant number, since it is smaller than the sum of its proper divisors (1457037618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1379225838 is a wasteful number, since it uses less digits than its factorization.

1379225838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188.

The product of its digits is 725760, while the sum is 48.

The square root of 1379225838 is about 37137.9299099990. The cubic root of 1379225838 is about 1113.1280535343.

The spelling of 1379225838 in words is "one billion, three hundred seventy-nine million, two hundred twenty-five thousand, eight hundred thirty-eight".