3656472446 has 16 divisors (see below), whose sum is σ = 5990141808. Its totient is φ = 1660137600.

The previous prime is 3656472439. The next prime is 3656472451. The reversal of 3656472446 is 6442746563.

It is a self number, because there is not a number n which added to its sum of digits gives 3656472446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74945 + ... + 113708.

It is an arithmetic number, because the mean of its divisors is an integer number (374383863).

Almost surely, 2^3656472446 is an apocalyptic number.

3656472446 is a deficient number, since it is larger than the sum of its proper divisors (2333669362).

3656472446 is a wasteful number, since it uses less digits than its factorization.

3656472446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189547.

The product of its digits is 2903040, while the sum is 47.

The square root of 3656472446 is about 60468.7724863007. The cubic root of 3656472446 is about 1540.5912788261.

The spelling of 3656472446 in words is "three billion, six hundred fifty-six million, four hundred seventy-two thousand, four hundred forty-six".