3652646401 has 8 divisors (see below), whose sum is σ = 3972035880. Its totient is φ = 3344871168.

The previous prime is 3652646383. The next prime is 3652646411. The reversal of 3652646401 is 1046462563.

It can be written as a sum of positive squares in 4 ways, for example, as 706762225 + 2945884176 = 26585^2 + 54276^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3652646401 - 2⁹ = 3652645889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3652646411) 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, 2902906 + ... + 2904163.

It is an arithmetic number, because the mean of its divisors is an integer number (496504485).

Almost surely, 2^3652646401 is an apocalyptic number.

It is an amenable number.

3652646401 is a deficient number, since it is larger than the sum of its proper divisors (319389479).

3652646401 is a wasteful number, since it uses less digits than its factorization.

3652646401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5807123.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 3652646401 is about 60437.1276700010. The cubic root of 3652646401 is about 1540.0537453835.

The spelling of 3652646401 in words is "three billion, six hundred fifty-two million, six hundred forty-six thousand, four hundred one".