7937985 has 16 divisors (see below), whose sum is σ = 13855680. Its totient is φ = 3848640.

The previous prime is 7937983. The next prime is 7937987. The reversal of 7937985 is 5897397.

It is an interprime number because it is at equal distance from previous prime (7937983) and next prime (7937987).

It is not a de Polignac number, because 7937985 - 2¹ = 7937983 is a prime.

7937985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7937981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23890 + ... + 24219.

It is an arithmetic number, because the mean of its divisors is an integer number (865980).

Almost surely, 2^7937985 is an apocalyptic number.

It is an amenable number.

7937985 is a deficient number, since it is larger than the sum of its proper divisors (5917695).

7937985 is a wasteful number, since it uses less digits than its factorization.

7937985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48128.

The product of its digits is 476280, while the sum is 48.

The square root of 7937985 is about 2817.4429896628. The cubic root of 7937985 is about 199.4818671844.

It can be divided in two parts, 793 and 7985, that added together give a palindrome (8778).

The spelling of 7937985 in words is "seven million, nine hundred thirty-seven thousand, nine hundred eighty-five".