3894234433 has 12 divisors (see below), whose sum is σ = 4114361088. Its totient is φ = 3685344120.

The previous prime is 3894234373. The next prime is 3894234439. The reversal of 3894234433 is 3344324983.

It is not a de Polignac number, because 3894234433 - 2⁹ = 3894233921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3894234433.

It is not an unprimeable number, because it can be changed into a prime (3894234439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366960 + ... + 377422.

It is an arithmetic number, because the mean of its divisors is an integer number (342863424).

Almost surely, 2^3894234433 is an apocalyptic number.

It is an amenable number.

3894234433 is a deficient number, since it is larger than the sum of its proper divisors (220126655).

3894234433 is a wasteful number, since it uses less digits than its factorization.

3894234433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11532 (or 11513 counting only the distinct ones).

The product of its digits is 746496, while the sum is 43.

The square root of 3894234433 is about 62403.8014306821. The cubic root of 3894234433 is about 1573.2848628248.

The spelling of 3894234433 in words is "three billion, eight hundred ninety-four million, two hundred thirty-four thousand, four hundred thirty-three".