3894604623 has 72 divisors (see below), whose sum is σ = 7072910208. Its totient is φ = 2046860928.

The previous prime is 3894604621. The next prime is 3894604633. The reversal of 3894604623 is 3264064983.

3894604623 is a `hidden beast` number, since 38 + 9 + 4 + 604 + 6 + 2 + 3 = 666.

It is not a de Polignac number, because 3894604623 - 2¹ = 3894604621 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894604621) 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 71 ways as a sum of consecutive naturals, for example, 1816290 + ... + 1818432.

It is an arithmetic number, because the mean of its divisors is an integer number (98234864).

Almost surely, 2^3894604623 is an apocalyptic number.

3894604623 is a deficient number, since it is larger than the sum of its proper divisors (3178305585).

3894604623 is a wasteful number, since it uses less digits than its factorization.

3894604623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 3894604623 is about 62406.7674455263. The cubic root of 3894604623 is about 1573.3347139469.

The spelling of 3894604623 in words is "three billion, eight hundred ninety-four million, six hundred four thousand, six hundred twenty-three".