3646642846 has 64 divisors (see below), whose sum is σ = 6993547776. Its totient is φ = 1384905600.

The previous prime is 3646642843. The next prime is 3646642873. The reversal of 3646642846 is 6482466463.

It is a self number, because there is not a number n which added to its sum of digits gives 3646642846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646642841) 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 31 ways as a sum of consecutive naturals, for example, 1329036 + ... + 1331776.

It is an arithmetic number, because the mean of its divisors is an integer number (109274184).

Almost surely, 2^3646642846 is an apocalyptic number.

3646642846 is a deficient number, since it is larger than the sum of its proper divisors (3346904930).

3646642846 is a wasteful number, since it uses less digits than its factorization.

3646642846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977.

The product of its digits is 3981312, while the sum is 49.

The square root of 3646642846 is about 60387.4394721286. The cubic root of 3646642846 is about 1539.2095293916.

The spelling of 3646642846 in words is "three billion, six hundred forty-six million, six hundred forty-two thousand, eight hundred forty-six".