963641 has 16 divisors (see below), whose sum is σ = 1175040. Its totient is φ = 772800.

The previous prime is 963629. The next prime is 963643. The reversal of 963641 is 146369.

It is not a de Polignac number, because 963641 - 2¹⁰ = 962617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (963643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9491 + ... + 9591.

It is an arithmetic number, because the mean of its divisors is an integer number (73440).

2⁹⁶³⁶⁴¹ is an apocalyptic number.

It is an amenable number.

963641 is a deficient number, since it is larger than the sum of its proper divisors (211399).

963641 is a wasteful number, since it uses less digits than its factorization.

963641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184.

The product of its digits is 3888, while the sum is 29.

The square root of 963641 is about 981.6521787273. The cubic root of 963641 is about 98.7730406099.

The spelling of 963641 in words is "nine hundred sixty-three thousand, six hundred forty-one".