3894398652 has 24 divisors (see below), whose sum is σ = 9170299600. Its totient is φ = 1286222976.

The previous prime is 3894398639. The next prime is 3894398681. The reversal of 3894398652 is 2568934983.

It is a junction number, because it is equal to n+sod(n) for n = 3894398592 and 3894398601.

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 7 ways as a sum of consecutive naturals, for example, 1487377 + ... + 1489992.

Almost surely, 2^3894398652 is an apocalyptic number.

It is an amenable number.

3894398652 is an abundant number, since it is smaller than the sum of its proper divisors (5275900948).

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

3894398652 is a wasteful number, since it uses less digits than its factorization.

3894398652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977485 (or 2977483 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 57.

The square root of 3894398652 is about 62405.1171940250. The cubic root of 3894398652 is about 1573.3069775382.

The spelling of 3894398652 in words is "three billion, eight hundred ninety-four million, three hundred ninety-eight thousand, six hundred fifty-two".