3391986644 has 24 divisors (see below), whose sum is σ = 6243084288. Its totient is φ = 1610313120.

The previous prime is 3391986629. The next prime is 3391986649. The reversal of 3391986644 is 4466891933.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3391986649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251492 + ... + 264635.

It is an arithmetic number, because the mean of its divisors is an integer number (260128512).

Almost surely, 2^3391986644 is an apocalyptic number.

It is an amenable number.

3391986644 is a deficient number, since it is larger than the sum of its proper divisors (2851097644).

3391986644 is a wasteful number, since it uses less digits than its factorization.

3391986644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516215 (or 516213 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 53.

The square root of 3391986644 is about 58240.7644524005. The cubic root of 3391986644 is about 1502.5123296358.

The spelling of 3391986644 in words is "three billion, three hundred ninety-one million, nine hundred eighty-six thousand, six hundred forty-four".