3987545341 has 4 divisors (see below), whose sum is σ = 4294279612. Its totient is φ = 3680811072.

The previous prime is 3987545321. The next prime is 3987545369. The reversal of 3987545341 is 1435457893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1435457893 = 409 ⋅3509677.

It can be written as a sum of positive squares in 2 ways, for example, as 2522952441 + 1464592900 = 50229^2 + 38270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3987545341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987545311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153367116 + ... + 153367141.

It is an arithmetic number, because the mean of its divisors is an integer number (1073569903).

Almost surely, 2^3987545341 is an apocalyptic number.

It is an amenable number.

3987545341 is a deficient number, since it is larger than the sum of its proper divisors (306734271).

3987545341 is a wasteful number, since it uses less digits than its factorization.

3987545341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306734270.

The product of its digits is 1814400, while the sum is 49.

The square root of 3987545341 is about 63147.0137140308. The cubic root of 3987545341 is about 1585.7517941368.

The spelling of 3987545341 in words is "three billion, nine hundred eighty-seven million, five hundred forty-five thousand, three hundred forty-one".