3643923448 has 16 divisors (see below), whose sum is σ = 7453479960. Its totient is φ = 1656328800.

The previous prime is 3643923431. The next prime is 3643923487. The reversal of 3643923448 is 8443293463.

It is a junction number, because it is equal to n+sod(n) for n = 3643923398 and 3643923407.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20704023 + ... + 20704198.

Almost surely, 2^3643923448 is an apocalyptic number.

It is an amenable number.

3643923448 is an abundant number, since it is smaller than the sum of its proper divisors (3809556512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3643923448 is a wasteful number, since it uses less digits than its factorization.

3643923448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41408238 (or 41408234 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 46.

The square root of 3643923448 is about 60364.9190175884. The cubic root of 3643923448 is about 1538.8268244955.

The spelling of 3643923448 in words is "three billion, six hundred forty-three million, nine hundred twenty-three thousand, four hundred forty-eight".