1387924343 has 16 divisors (see below), whose sum is σ = 1545578496. Its totient is φ = 1237684320.

The previous prime is 1387924339. The next prime is 1387924357. The reversal of 1387924343 is 3434297831.

It is a cyclic number.

It is not a de Polignac number, because 1387924343 - 2² = 1387924339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1387924294 and 1387924303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387924393) 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 15 ways as a sum of consecutive naturals, for example, 258080 + ... + 263402.

It is an arithmetic number, because the mean of its divisors is an integer number (96598656).

Almost surely, 2^1387924343 is an apocalyptic number.

1387924343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1387924343 is a deficient number, since it is larger than the sum of its proper divisors (157654153).

1387924343 is a wasteful number, since it uses less digits than its factorization.

1387924343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014.

The product of its digits is 435456, while the sum is 44.

The square root of 1387924343 is about 37254.8566364172. The cubic root of 1387924343 is about 1115.4632441379.

The spelling of 1387924343 in words is "one billion, three hundred eighty-seven million, nine hundred twenty-four thousand, three hundred forty-three".