1355479838 has 16 divisors (see below), whose sum is σ = 2122446240. Its totient is φ = 648020736.

The previous prime is 1355479837. The next prime is 1355479847. The reversal of 1355479838 is 8389745531.

It is a self number, because there is not a number n which added to its sum of digits gives 1355479838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355479837) 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 7 ways as a sum of consecutive naturals, for example, 175106 + ... + 182682.

It is an arithmetic number, because the mean of its divisors is an integer number (132652890).

Almost surely, 2^1355479838 is an apocalyptic number.

1355479838 is a deficient number, since it is larger than the sum of its proper divisors (766966402).

1355479838 is a wasteful number, since it uses less digits than its factorization.

1355479838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11491.

The product of its digits is 3628800, while the sum is 53.

The square root of 1355479838 is about 36816.8417711243. The cubic root of 1355479838 is about 1106.7028304863.

The spelling of 1355479838 in words is "one billion, three hundred fifty-five million, four hundred seventy-nine thousand, eight hundred thirty-eight".