8146621 has 12 divisors (see below), whose sum is σ = 9892768. Its totient is φ = 6570432.

The previous prime is 8146609. The next prime is 8146627. The reversal of 8146621 is 1266418.

It is not a de Polignac number, because 8146621 - 2⁷ = 8146493 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8146621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8146627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10 + ... + 4036.

Almost surely, 2^8146621 is an apocalyptic number.

It is an amenable number.

8146621 is a deficient number, since it is larger than the sum of its proper divisors (1746147).

8146621 is a wasteful number, since it uses less digits than its factorization.

8146621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068 (or 4051 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 8146621 is about 2854.2286173325. The cubic root of 8146621 is about 201.2144522685.

The spelling of 8146621 in words is "eight million, one hundred forty-six thousand, six hundred twenty-one".