8409963 has 8 divisors (see below), whose sum is σ = 11226688. Its totient is φ = 5599944.

The previous prime is 8409941. The next prime is 8410001. The reversal of 8409963 is 3699048.

8409963 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8409963 - 2⁵ = 8409931 is a prime.

It is a super-2 number, since 2×8409963² = 141454955322738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8409263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4020 + ... + 5742.

It is an arithmetic number, because the mean of its divisors is an integer number (1403336).

Almost surely, 2^8409963 is an apocalyptic number.

8409963 is a deficient number, since it is larger than the sum of its proper divisors (2816725).

8409963 is a wasteful number, since it uses less digits than its factorization.

8409963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 8409963 is about 2899.9936206826. The cubic root of 8409963 is about 203.3596075218.

Subtracting from 8409963 its reverse (3699048), we obtain a triangular number (4710915 = T₃₀₆₉).

The spelling of 8409963 in words is "eight million, four hundred nine thousand, nine hundred sixty-three".