966021 has 16 divisors (see below), whose sum is σ = 1486464. Its totient is φ = 546624.

The previous prime is 966013. The next prime is 966029. The reversal of 966021 is 120669.

It is an interprime number because it is at equal distance from previous prime (966013) and next prime (966029).

It is not a de Polignac number, because 966021 - 2³ = 966013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 965982 and 966000.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 966021.

It is not an unprimeable number, because it can be changed into a prime (966029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3151 + ... + 3443.

It is an arithmetic number, because the mean of its divisors is an integer number (92904).

2⁹⁶⁶⁰²¹ is an apocalyptic number.

It is an amenable number.

966021 is a deficient number, since it is larger than the sum of its proper divisors (520443).

966021 is a wasteful number, since it uses less digits than its factorization.

966021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 966021 is about 982.8636731511. The cubic root of 966021 is about 98.8542902898.

Adding to 966021 its product of nonzero digits (648), we get a palindrome (966669).

The spelling of 966021 in words is "nine hundred sixty-six thousand, twenty-one".