385740587 has 16 divisors (see below), whose sum is σ = 400982400. Its totient is φ = 370828800.

The previous prime is 385740583. The next prime is 385740611. The reversal of 385740587 is 785047583.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 385740587 - 2² = 385740583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385740583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1423262 + ... + 1423532.

It is an arithmetic number, because the mean of its divisors is an integer number (25061400).

Almost surely, 2^385740587 is an apocalyptic number.

385740587 is a deficient number, since it is larger than the sum of its proper divisors (15241813).

385740587 is a wasteful number, since it uses less digits than its factorization.

385740587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 385740587 is about 19640.2797077842. The cubic root of 385740587 is about 727.9447960344.

It can be divided in two parts, 3857 and 40587, that added together give a palindrome (44444).

The spelling of 385740587 in words is "three hundred eighty-five million, seven hundred forty thousand, five hundred eighty-seven".