963646 has 8 divisors (see below), whose sum is σ = 1472904. Its totient is φ = 472680.

The previous prime is 963643. The next prime is 963653. The reversal of 963646 is 646369.

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

It is a super-2 number, since 2×963646² = 1857227226632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (963643) 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, 4440 + ... + 4651.

It is an arithmetic number, because the mean of its divisors is an integer number (184113).

2⁹⁶³⁶⁴⁶ is an apocalyptic number.

963646 is a deficient number, since it is larger than the sum of its proper divisors (509258).

963646 is a wasteful number, since it uses less digits than its factorization.

963646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9146.

The product of its digits is 23328, while the sum is 34.

The square root of 963646 is about 981.6547254509. The cubic root of 963646 is about 98.7732114427.

The spelling of 963646 in words is "nine hundred sixty-three thousand, six hundred forty-six".