1384397343 has 54 divisors (see below), whose sum is σ = 2360665944. Its totient is φ = 779517648.

The previous prime is 1384397279. The next prime is 1384397387. The reversal of 1384397343 is 3437934831.

It is a happy number.

It is not a de Polignac number, because 1384397343 - 2⁶ = 1384397279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384397243) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2752030 + ... + 2752532.

It is an arithmetic number, because the mean of its divisors is an integer number (43716036).

Almost surely, 2^1384397343 is an apocalyptic number.

1384397343 is a deficient number, since it is larger than the sum of its proper divisors (976268601).

1384397343 is an equidigital number, since it uses as much as digits as its factorization.

1384397343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 592 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 1384397343 is about 37207.4904152376. The cubic root of 1384397343 is about 1114.5175691175.

The spelling of 1384397343 in words is "one billion, three hundred eighty-four million, three hundred ninety-seven thousand, three hundred forty-three".