1397424343 has 8 divisors (see below), whose sum is σ = 1619550720. Its totient is φ = 1180921560.

The previous prime is 1397424337. The next prime is 1397424349. The reversal of 1397424343 is 3434247931.

It is an interprime number because it is at equal distance from previous prime (1397424337) and next prime (1397424349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1397424343 - 2⁵ = 1397424311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1397424296 and 1397424305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397424349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405363 + ... + 1406356.

It is an arithmetic number, because the mean of its divisors is an integer number (202443840).

Almost surely, 2^1397424343 is an apocalyptic number.

1397424343 is a deficient number, since it is larger than the sum of its proper divisors (222126377).

1397424343 is an equidigital number, since it uses as much as digits as its factorization.

1397424343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811797.

The product of its digits is 217728, while the sum is 40.

The square root of 1397424343 is about 37382.1393582550. The cubic root of 1397424343 is about 1118.0024830788.

The spelling of 1397424343 in words is "one billion, three hundred ninety-seven million, four hundred twenty-four thousand, three hundred forty-three".