3136784049 has 75 divisors (see below), whose sum is σ = 5509838697. Its totient is φ = 1778334264.

The previous prime is 3136784017. The next prime is 3136784051. The reversal of 3136784049 is 9404876313.

The square root of 3136784049 is 56007.

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

It is not a de Polignac number, because 3136784049 - 2⁵ = 3136784017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3136783995 and 3136784013.

It is not an unprimeable number, because it can be changed into a prime (3136784069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 24699024 + ... + 24699150.

Almost surely, 2^3136784049 is an apocalyptic number.

3136784049 is the 56007-th square number.

3136784049 is the 28004-th centered octagonal number.

It is an amenable number.

3136784049 is a deficient number, since it is larger than the sum of its proper divisors (2373054648).

3136784049 is an frugal number, since it uses more digits than its factorization.

3136784049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The cubic root of 3136784049 is about 1463.8442583251.

The spelling of 3136784049 in words is "three billion, one hundred thirty-six million, seven hundred eighty-four thousand, forty-nine".