8423961 has 32 divisors (see below), whose sum is σ = 14085120. Its totient is φ = 4359744.

The previous prime is 8423953. The next prime is 8423999. The reversal of 8423961 is 1693248.

It is not a de Polignac number, because 8423961 - 2³ = 8423953 is a prime.

It is a Curzon number.

8423961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8423461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15846 + ... + 16368.

It is an arithmetic number, because the mean of its divisors is an integer number (440160).

Almost surely, 2^8423961 is an apocalyptic number.

It is an amenable number.

8423961 is a deficient number, since it is larger than the sum of its proper divisors (5661159).

8423961 is a wasteful number, since it uses less digits than its factorization.

8423961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its digits is 10368, while the sum is 33.

The square root of 8423961 is about 2902.4060708316. The cubic root of 8423961 is about 203.4723725793.

The spelling of 8423961 in words is "eight million, four hundred twenty-three thousand, nine hundred sixty-one".