3504029985 has 48 divisors (see below), whose sum is σ = 6251506560. Its totient is φ = 1814883840.

The previous prime is 3504029983. The next prime is 3504029993. The reversal of 3504029985 is 5899204053.

3504029985 is a `hidden beast` number, since 350 + 4 + 0 + 299 + 8 + 5 = 666.

It is not a de Polignac number, because 3504029985 - 2¹ = 3504029983 is a prime.

It is a super-2 number, since 2×3504029985² = 24556452271558200450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3504029985.

It is not an unprimeable number, because it can be changed into a prime (3504029983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205881 + ... + 222249.

It is an arithmetic number, because the mean of its divisors is an integer number (130239720).

Almost surely, 2^3504029985 is an apocalyptic number.

It is an amenable number.

3504029985 is a deficient number, since it is larger than the sum of its proper divisors (2747476575).

3504029985 is a wasteful number, since it uses less digits than its factorization.

3504029985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16518 (or 16515 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 3504029985 is about 59194.8476220693. The cubic root of 3504029985 is about 1518.8769961375.

It can be divided in two parts, 35040 and 29985, that added together give a square (65025 = 255²).

The spelling of 3504029985 in words is "three billion, five hundred four million, twenty-nine thousand, nine hundred eighty-five".