1234086349 has 4 divisors (see below), whose sum is σ = 1235115100. Its totient is φ = 1233057600.

The previous prime is 1234086317. The next prime is 1234086353. The reversal of 1234086349 is 9436804321.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16564900 + 1217521449 = 4070^2 + 34893^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234086349 - 2⁵ = 1234086317 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 (1234086449) 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, 512574 + ... + 514975.

It is an arithmetic number, because the mean of its divisors is an integer number (308778775).

Almost surely, 2^1234086349 is an apocalyptic number.

It is an amenable number.

1234086349 is a deficient number, since it is larger than the sum of its proper divisors (1028751).

1234086349 is a wasteful number, since it uses less digits than its factorization.

1234086349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028750.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 1234086349 is about 35129.5651695264. The cubic root of 1234086349 is about 1072.6264846850.

It can be divided in two parts, 12340 and 86349, that added together give a palindrome (98689).

The spelling of 1234086349 in words is "one billion, two hundred thirty-four million, eighty-six thousand, three hundred forty-nine".