7894885 has 16 divisors (see below), whose sum is σ = 10097136. Its totient is φ = 5905408.

The previous prime is 7894883. The next prime is 7894897. The reversal of 7894885 is 5884987.

It can be written as a sum of positive squares in 8 ways, for example, as 49284 + 7845601 = 222^2 + 2801^2 .

It is a cyclic number.

It is not a de Polignac number, because 7894885 - 2¹ = 7894883 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 (7894883) 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, 24747 + ... + 25063.

It is an arithmetic number, because the mean of its divisors is an integer number (631071).

Almost surely, 2^7894885 is an apocalyptic number.

It is an amenable number.

7894885 is a deficient number, since it is larger than the sum of its proper divisors (2202251).

7894885 is a wasteful number, since it uses less digits than its factorization.

7894885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its digits is 645120, while the sum is 49.

The square root of 7894885 is about 2809.7837995120. The cubic root of 7894885 is about 199.1201768987.

The spelling of 7894885 in words is "seven million, eight hundred ninety-four thousand, eight hundred eighty-five".