963940 has 12 divisors (see below), whose sum is σ = 2024316. Its totient is φ = 385568.

The previous prime is 963913. The next prime is 963943. The reversal of 963940 is 49369.

It can be written as a sum of positive squares in 2 ways, for example, as 574564 + 389376 = 758^2 + 624^2 .

It is not an unprimeable number, because it can be changed into a prime (963943) 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 3 ways as a sum of consecutive naturals, for example, 24079 + ... + 24118.

It is an arithmetic number, because the mean of its divisors is an integer number (168693).

2⁹⁶³⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

963940 is an abundant number, since it is smaller than the sum of its proper divisors (1060376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

963940 is a wasteful number, since it uses less digits than its factorization.

963940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48206 (or 48204 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 963940 is about 981.8044611836. The cubic root of 963940 is about 98.7832553701.

The spelling of 963940 in words is "nine hundred sixty-three thousand, nine hundred forty".