3646467321 has 8 divisors (see below), whose sum is σ = 5556521664. Its totient is φ = 2083695600.

The previous prime is 3646467299. The next prime is 3646467323. The reversal of 3646467321 is 1237646463.

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

It is not a de Polignac number, because 3646467321 - 2¹⁰ = 3646466297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3646467323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86820630 + ... + 86820671.

It is an arithmetic number, because the mean of its divisors is an integer number (694565208).

Almost surely, 2^3646467321 is an apocalyptic number.

It is an amenable number.

3646467321 is a deficient number, since it is larger than the sum of its proper divisors (1910054343).

3646467321 is a wasteful number, since it uses less digits than its factorization.

3646467321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173641311.

The product of its digits is 435456, while the sum is 42.

The square root of 3646467321 is about 60385.9861308897. The cubic root of 3646467321 is about 1539.1848332443.

The spelling of 3646467321 in words is "three billion, six hundred forty-six million, four hundred sixty-seven thousand, three hundred twenty-one".