403266 has 8 divisors (see below), whose sum is σ = 806544. Its totient is φ = 134420.

The previous prime is 403261. The next prime is 403267. The reversal of 403266 is 662304.

403266 is nontrivially palindromic in base 14.

It is a sphenic number, since it is the product of 3 distinct primes.

403266 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (403261) by changing a digit.

403266 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 3 ways as a sum of consecutive naturals, for example, 33600 + ... + 33611.

It is an arithmetic number, because the mean of its divisors is an integer number (100818).

2⁴⁰³²⁶⁶ is an apocalyptic number.

403266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

403266 is a wasteful number, since it uses less digits than its factorization.

403266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67216.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 403266 is about 635.0322826440. The cubic root of 403266 is about 73.8806207627.

The spelling of 403266 in words is "four hundred three thousand, two hundred sixty-six".