1397448083 has 4 divisors (see below), whose sum is σ = 1397989608. Its totient is φ = 1396906560.

The previous prime is 1397448049. The next prime is 1397448089. The reversal of 1397448083 is 3808447931.

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

It is a cyclic number.

It is not a de Polignac number, because 1397448083 - 2¹² = 1397443987 is a prime.

It is a super-2 number, since 2×1397448083² = 3905722289360749778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1397448089) 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 3 ways as a sum of consecutive naturals, for example, 266873 + ... + 272058.

It is an arithmetic number, because the mean of its divisors is an integer number (349497402).

Almost surely, 2^1397448083 is an apocalyptic number.

1397448083 is a deficient number, since it is larger than the sum of its proper divisors (541525).

1397448083 is an equidigital number, since it uses as much as digits as its factorization.

1397448083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541524.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 1397448083 is about 37382.4568882250. The cubic root of 1397448083 is about 1118.0088140664.

The spelling of 1397448083 in words is "one billion, three hundred ninety-seven million, four hundred forty-eight thousand, eighty-three".