1397322366 has 16 divisors (see below), whose sum is σ = 3048703488. Its totient is φ = 423431000.

The previous prime is 1397322359. The next prime is 1397322397. The reversal of 1397322366 is 6632237931.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10585710 + ... + 10585841.

It is an arithmetic number, because the mean of its divisors is an integer number (190543968).

Almost surely, 2^1397322366 is an apocalyptic number.

1397322366 is an abundant number, since it is smaller than the sum of its proper divisors (1651381122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1397322366 is a wasteful number, since it uses less digits than its factorization.

1397322366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21171567.

The product of its digits is 244944, while the sum is 42.

The square root of 1397322366 is about 37380.7753531143. The cubic root of 1397322366 is about 1117.9752870179.

It can be divided in two parts, 13 and 97322366, that added together give a palindrome (97322379).

The spelling of 1397322366 in words is "one billion, three hundred ninety-seven million, three hundred twenty-two thousand, three hundred sixty-six".