3985507574 has 32 divisors (see below), whose sum is σ = 6611673600. Its totient is φ = 1792213632.

The previous prime is 3985507567. The next prime is 3985507601. The reversal of 3985507574 is 4757055893.

It is a super-2 number, since 2×3985507574² = 31768541244822730952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092197 + ... + 1095839.

It is an arithmetic number, because the mean of its divisors is an integer number (206614800).

Almost surely, 2^3985507574 is an apocalyptic number.

3985507574 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3985507574 is a deficient number, since it is larger than the sum of its proper divisors (2626166026).

3985507574 is a wasteful number, since it uses less digits than its factorization.

3985507574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The square root of 3985507574 is about 63130.8765502270. The cubic root of 3985507574 is about 1585.4816243117.

The spelling of 3985507574 in words is "three billion, nine hundred eighty-five million, five hundred seven thousand, five hundred seventy-four".