1378436348 has 12 divisors (see below), whose sum is σ = 2437132992. Its totient is φ = 682112640.

The previous prime is 1378436329. The next prime is 1378436357. The reversal of 1378436348 is 8436348731.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1775948 + ... + 1776723.

It is an arithmetic number, because the mean of its divisors is an integer number (203094416).

Almost surely, 2^1378436348 is an apocalyptic number.

It is an amenable number.

1378436348 is a deficient number, since it is larger than the sum of its proper divisors (1058696644).

1378436348 is a wasteful number, since it uses less digits than its factorization.

1378436348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552772 (or 3552770 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The square root of 1378436348 is about 37127.2992284653. The cubic root of 1378436348 is about 1112.9156224791.

The spelling of 1378436348 in words is "one billion, three hundred seventy-eight million, four hundred thirty-six thousand, three hundred forty-eight".