966403 has 4 divisors (see below), whose sum is σ = 992560. Its totient is φ = 940248.

The previous prime is 966401. The next prime is 966409. The reversal of 966403 is 304669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304669 = 199 ⋅1531.

It is a cyclic number.

It is not a de Polignac number, because 966403 - 2¹ = 966401 is a prime.

It is a Duffinian number.

966403 is a lucky number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (966401) 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, 13023 + ... + 13096.

It is an arithmetic number, because the mean of its divisors is an integer number (248140).

2⁹⁶⁶⁴⁰³ is an apocalyptic number.

966403 is a deficient number, since it is larger than the sum of its proper divisors (26157).

966403 is a wasteful number, since it uses less digits than its factorization.

966403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26156.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 966403 is about 983.0579840477. The cubic root of 966403 is about 98.8673187721.

It can be divided in two parts, 966 and 403, that added together give a square (1369 = 37²).

The spelling of 966403 in words is "nine hundred sixty-six thousand, four hundred three".