8890641 has 12 divisors (see below), whose sum is σ = 13318032. Its totient is φ = 5926932.

The previous prime is 8890639. The next prime is 8890657. The reversal of 8890641 is 1460988.

It is a happy number.

8890641 is a `hidden beast` number, since 8 + 8 + 9 + 0 + 641 = 666.

It is not a de Polignac number, because 8890641 - 2¹ = 8890639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8890596 and 8890605.

It is not an unprimeable number, because it can be changed into a prime (8890601) 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, 18051 + ... + 18536.

It is an arithmetic number, because the mean of its divisors is an integer number (1109836).

Almost surely, 2^8890641 is an apocalyptic number.

8890641 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8890641 is a deficient number, since it is larger than the sum of its proper divisors (4427391).

8890641 is an equidigital number, since it uses as much as digits as its factorization.

8890641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36602 (or 36590 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 8890641 is about 2981.7177934875. The cubic root of 8890641 is about 207.1624433776.

The spelling of 8890641 in words is "eight million, eight hundred ninety thousand, six hundred forty-one".