7166394 has 40 divisors (see below), whose sum is σ = 16587648. Its totient is φ = 2310120.

The previous prime is 7166389. The next prime is 7166407. The reversal of 7166394 is 4936617.

7166394 is a `hidden beast` number, since 7 + 16 + 639 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4309 + ... + 5735.

Almost surely, 2^7166394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7166394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8293824).

7166394 is an abundant number, since it is smaller than the sum of its proper divisors (9421254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7166394 is a wasteful number, since it uses less digits than its factorization.

7166394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 1463 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 7166394 is about 2677.0121404282. The cubic root of 7166394 is about 192.7969801757.

The spelling of 7166394 in words is "seven million, one hundred sixty-six thousand, three hundred ninety-four".