3864656594 has 4 divisors (see below), whose sum is σ = 5796984894. Its totient is φ = 1932328296.

The previous prime is 3864656561. The next prime is 3864656599. The reversal of 3864656594 is 4956564683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4956564683 = 7 ⋅708080669.

It can be written as a sum of positive squares in only one way, i.e., 3802325569 + 62331025 = 61663^2 + 7895^2 .

It is not an unprimeable number, because it can be changed into a prime (3864656599) by changing a digit.

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 as a sum of consecutive naturals, namely, 966164147 + ... + 966164150.

Almost surely, 2^3864656594 is an apocalyptic number.

3864656594 is a deficient number, since it is larger than the sum of its proper divisors (1932328300).

3864656594 is a wasteful number, since it uses less digits than its factorization.

3864656594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932328299.

The product of its digits is 18662400, while the sum is 56.

The square root of 3864656594 is about 62166.3622387542. The cubic root of 3864656594 is about 1569.2915507600.

The spelling of 3864656594 in words is "three billion, eight hundred sixty-four million, six hundred fifty-six thousand, five hundred ninety-four".