1324349638 has 4 divisors (see below), whose sum is σ = 1986524460. Its totient is φ = 662174818.

The previous prime is 1324349599. The next prime is 1324349659. The reversal of 1324349638 is 8369434231.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1324349594 and 1324349603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331087408 + ... + 331087411.

It is an arithmetic number, because the mean of its divisors is an integer number (496631115).

Almost surely, 2^1324349638 is an apocalyptic number.

1324349638 is a deficient number, since it is larger than the sum of its proper divisors (662174822).

1324349638 is an equidigital number, since it uses as much as digits as its factorization.

1324349638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662174821.

The product of its digits is 373248, while the sum is 43.

The square root of 1324349638 is about 36391.6149408074. The cubic root of 1324349638 is about 1098.1648845563.

The spelling of 1324349638 in words is "one billion, three hundred twenty-four million, three hundred forty-nine thousand, six hundred thirty-eight".