384541537 has 4 divisors (see below), whose sum is σ = 397801620. Its totient is φ = 371281456.

The previous prime is 384541529. The next prime is 384541543. The reversal of 384541537 is 735145483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 735145483 = 4013 ⋅183191.

It can be written as a sum of positive squares in 2 ways, for example, as 272943441 + 111598096 = 16521^2 + 10564^2 .

It is a cyclic number.

It is not a de Polignac number, because 384541537 - 2³ = 384541529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 384541537.

It is not an unprimeable number, because it can be changed into a prime (384541517) 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, 6629998 + ... + 6630055.

It is an arithmetic number, because the mean of its divisors is an integer number (99450405).

Almost surely, 2^384541537 is an apocalyptic number.

It is an amenable number.

384541537 is a deficient number, since it is larger than the sum of its proper divisors (13260083).

384541537 is a wasteful number, since it uses less digits than its factorization.

384541537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13260082.

The product of its digits is 201600, while the sum is 40.

The square root of 384541537 is about 19609.7306712764. The cubic root of 384541537 is about 727.1897565134.

The spelling of 384541537 in words is "three hundred eighty-four million, five hundred forty-one thousand, five hundred thirty-seven".