1408266 has 20 divisors (see below), whose sum is σ = 3155922. Its totient is φ = 469368.

The previous prime is 1408241. The next prime is 1408279. The reversal of 1408266 is 6628041.

It can be written as a sum of positive squares in only one way, i.e., 1390041 + 18225 = 1179^2 + 135^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4185 + ... + 4508.

2^1408266 is an apocalyptic number.

1408266 is an abundant number, since it is smaller than the sum of its proper divisors (1747656).

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

1408266 is an equidigital number, since it uses as much as digits as its factorization.

1408266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8707 (or 8698 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1408266 is about 1186.7038383691. The cubic root of 1408266 is about 112.0886309490.

The spelling of 1408266 in words is "one million, four hundred eight thousand, two hundred sixty-six".