1347403849 has 27 divisors (see below), whose sum is σ = 1534825453. Its totient is φ = 1181965400.

The previous prime is 1347403819. The next prime is 1347403861. The reversal of 1347403849 is 9483047431.

The square root of 1347403849 is 36707.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1347403849 - 2⁷ = 1347403721 is a prime.

It is a super-4 number, since 4×1347403849⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1347403819) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18977484 + ... + 18977554.

Almost surely, 2^1347403849 is an apocalyptic number.

1347403849 is the 36707-th square number.

1347403849 is the 18354-th centered octagonal number.

It is an amenable number.

1347403849 is a deficient number, since it is larger than the sum of its proper divisors (187421604).

1347403849 is an frugal number, since it uses more digits than its factorization.

1347403849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The cubic root of 1347403849 is about 1104.5005281422.

The spelling of 1347403849 in words is "one billion, three hundred forty-seven million, four hundred three thousand, eight hundred forty-nine".