3485007128 has 8 divisors (see below), whose sum is σ = 6534388380. Its totient is φ = 1742503560.

The previous prime is 3485007107. The next prime is 3485007137. The reversal of 3485007128 is 8217005843.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 3485007091 and 3485007100.

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 as a sum of consecutive naturals, namely, 217812938 + ... + 217812953.

Almost surely, 2^3485007128 is an apocalyptic number.

It is an amenable number.

3485007128 is a deficient number, since it is larger than the sum of its proper divisors (3049381252).

3485007128 is a wasteful number, since it uses less digits than its factorization.

3485007128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435625897 (or 435625893 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 3485007128 is about 59033.9489446539. The cubic root of 3485007128 is about 1516.1234215160.

The spelling of 3485007128 in words is "three billion, four hundred eighty-five million, seven thousand, one hundred twenty-eight".