1083449397 has 4 divisors (see below), whose sum is σ = 1444599200. Its totient is φ = 722299596.

The previous prime is 1083449387. The next prime is 1083449443. The reversal of 1083449397 is 7939443801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1083449397 - 2¹² = 1083445301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083449317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180574897 + ... + 180574902.

It is an arithmetic number, because the mean of its divisors is an integer number (361149800).

Almost surely, 2^1083449397 is an apocalyptic number.

It is an amenable number.

1083449397 is a deficient number, since it is larger than the sum of its proper divisors (361149803).

1083449397 is an equidigital number, since it uses as much as digits as its factorization.

1083449397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361149802.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 1083449397 is about 32915.7925166629. The cubic root of 1083449397 is about 1027.0767008631.

The spelling of 1083449397 in words is "one billion, eighty-three million, four hundred forty-nine thousand, three hundred ninety-seven".