8743961 has 4 divisors (see below), whose sum is σ = 8777472. Its totient is φ = 8710452.

The previous prime is 8743937. The next prime is 8743963. The reversal of 8743961 is 1693478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1693478 = 2 ⋅846739.

It is a cyclic number.

It is not a de Polignac number, because 8743961 - 2¹⁴ = 8727577 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8743963) 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, 16361 + ... + 16886.

It is an arithmetic number, because the mean of its divisors is an integer number (2194368).

Almost surely, 2^8743961 is an apocalyptic number.

It is an amenable number.

8743961 is a deficient number, since it is larger than the sum of its proper divisors (33511).

8743961 is a wasteful number, since it uses less digits than its factorization.

8743961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33510.

The product of its digits is 36288, while the sum is 38.

The square root of 8743961 is about 2957.0189380523. The cubic root of 8743961 is about 206.0168475240.

The spelling of 8743961 in words is "eight million, seven hundred forty-three thousand, nine hundred sixty-one".