3147826949 has 8 divisors (see below), whose sum is σ = 3166150680. Its totient is φ = 3129527296.

The previous prime is 3147826939. The next prime is 3147826951. The reversal of 3147826949 is 9496287413.

It can be written as a sum of positive squares in 4 ways, for example, as 1330936324 + 1816890625 = 36482^2 + 42625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3147826949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3147826949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147826939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300797 + ... + 311085.

It is an arithmetic number, because the mean of its divisors is an integer number (395768835).

Almost surely, 2^3147826949 is an apocalyptic number.

It is an amenable number.

3147826949 is a deficient number, since it is larger than the sum of its proper divisors (18323731).

3147826949 is a wasteful number, since it uses less digits than its factorization.

3147826949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12039.

The product of its digits is 2612736, while the sum is 53.

The square root of 3147826949 is about 56105.4983847394. The cubic root of 3147826949 is about 1465.5600446261.

The spelling of 3147826949 in words is "three billion, one hundred forty-seven million, eight hundred twenty-six thousand, nine hundred forty-nine".