963870 has 48 divisors (see below), whose sum is σ = 2468880. Its totient is φ = 240768.

The previous prime is 963863. The next prime is 963871. The reversal of 963870 is 78369.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (963871) by changing a digit.

963870 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10786 + ... + 10874.

It is an arithmetic number, because the mean of its divisors is an integer number (51435).

2⁹⁶³⁸⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 963870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234440).

963870 is an abundant number, since it is smaller than the sum of its proper divisors (1505010).

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

963870 is a wasteful number, since it uses less digits than its factorization.

963870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 963870 is about 981.7688118900. The cubic root of 963870 is about 98.7808641441.

The spelling of 963870 in words is "nine hundred sixty-three thousand, eight hundred seventy".