1343838388 has 24 divisors (see below), whose sum is σ = 2479280832. Its totient is φ = 636075264.

The previous prime is 1343838317. The next prime is 1343838401. The reversal of 1343838388 is 8838383431.

It is a super-2 number, since 2×1343838388² = 3611803226124877088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) 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 7 ways as a sum of consecutive naturals, for example, 66370 + ... + 84217.

It is an arithmetic number, because the mean of its divisors is an integer number (103303368).

Almost surely, 2^1343838388 is an apocalyptic number.

It is an amenable number.

1343838388 is a deficient number, since it is larger than the sum of its proper divisors (1135442444).

1343838388 is a wasteful number, since it uses less digits than its factorization.

1343838388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150711 (or 150709 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The square root of 1343838388 is about 36658.4013290269. The cubic root of 1343838388 is about 1103.5254351232.

The spelling of 1343838388 in words is "one billion, three hundred forty-three million, eight hundred thirty-eight thousand, three hundred eighty-eight".