3646345624 has 64 divisors (see below), whose sum is σ = 7182302400. Its totient is φ = 1733222400.

The previous prime is 3646345621. The next prime is 3646345627. The reversal of 3646345624 is 4265436463.

It is a happy number.

3646345624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3646345621) and next prime (3646345627).

Its product of digits (1244160) is a multiple of the sum of its prime divisors (960).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646345621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6998484 + ... + 6999004.

It is an arithmetic number, because the mean of its divisors is an integer number (112223475).

Almost surely, 2^3646345624 is an apocalyptic number.

It is an amenable number.

3646345624 is a deficient number, since it is larger than the sum of its proper divisors (3535956776).

3646345624 is a wasteful number, since it uses less digits than its factorization.

3646345624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 960 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 43.

The square root of 3646345624 is about 60384.9784631907. The cubic root of 3646345624 is about 1539.1677101638.

The spelling of 3646345624 in words is "three billion, six hundred forty-six million, three hundred forty-five thousand, six hundred twenty-four".