7945894 has 16 divisors (see below), whose sum is σ = 13188096. Its totient is φ = 3560200.

The previous prime is 7945849. The next prime is 7945897. The reversal of 7945894 is 4985497.

It is a d-powerful number, because it can be written as 7⁵ + 9 + 4⁴ + 5³ + 8⁷ + 9⁷ + 4¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7945897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982 + ... + 4105.

It is an arithmetic number, because the mean of its divisors is an integer number (824256).

Almost surely, 2^7945894 is an apocalyptic number.

7945894 is a deficient number, since it is larger than the sum of its proper divisors (5242202).

7945894 is a wasteful number, since it uses less digits than its factorization.

7945894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171.

The product of its digits is 362880, while the sum is 46.

The square root of 7945894 is about 2818.8462178700. The cubic root of 7945894 is about 199.5480963512.

The spelling of 7945894 in words is "seven million, nine hundred forty-five thousand, eight hundred ninety-four".