8370641 has 4 divisors (see below), whose sum is σ = 8383284. Its totient is φ = 8358000.

The previous prime is 8370631. The next prime is 8370673. The reversal of 8370641 is 1460738.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4840000 + 3530641 = 2200^2 + 1879^2 .

It is a cyclic number.

It is not a de Polignac number, because 8370641 - 2¹⁴ = 8354257 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8370611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5270 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (2095821).

Almost surely, 2^8370641 is an apocalyptic number.

It is an amenable number.

8370641 is a deficient number, since it is larger than the sum of its proper divisors (12643).

8370641 is a wasteful number, since it uses less digits than its factorization.

8370641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12642.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 8370641 is about 2893.2060071830. The cubic root of 8370641 is about 203.0421664937.

Subtracting from 8370641 its reverse (1460738), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 8370641 in words is "eight million, three hundred seventy thousand, six hundred forty-one".