966440 has 32 divisors (see below), whose sum is σ = 2236680. Its totient is φ = 375552.

The previous prime is 966439. The next prime is 966463. The reversal of 966440 is 44669.

It can be written as a sum of positive squares in 4 ways, for example, as 835396 + 131044 = 914^2 + 362^2 .

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154 + ... + 1806.

2⁹⁶⁶⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 966440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118340).

966440 is an abundant number, since it is smaller than the sum of its proper divisors (1270240).

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

966440 is a wasteful number, since it uses less digits than its factorization.

966440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 966440 is about 983.0768026965. The cubic root of 966440 is about 98.8685805108.

The spelling of 966440 in words is "nine hundred sixty-six thousand, four hundred forty".