3987654285 has 16 divisors (see below), whose sum is σ = 6382803456. Its totient is φ = 2125896768.

The previous prime is 3987654271. The next prime is 3987654289. The reversal of 3987654285 is 5824567893.

It is not a de Polignac number, because 3987654285 - 2⁴ = 3987654269 is a prime.

It is a super-2 number, since 2×3987654285² = 31802773393357722450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987654289) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13629 + ... + 90338.

It is an arithmetic number, because the mean of its divisors is an integer number (398925216).

Almost surely, 2^3987654285 is an apocalyptic number.

It is an amenable number.

3987654285 is a deficient number, since it is larger than the sum of its proper divisors (2395149171).

3987654285 is a wasteful number, since it uses less digits than its factorization.

3987654285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106532.

The product of its digits is 14515200, while the sum is 57.

The square root of 3987654285 is about 63147.8763300873. The cubic root of 3987654285 is about 1585.7662354831.

The spelling of 3987654285 in words is "three billion, nine hundred eighty-seven million, six hundred fifty-four thousand, two hundred eighty-five".