1406266 has 16 divisors (see below), whose sum is σ = 2318400. Its totient is φ = 636768.

The previous prime is 1406231. The next prime is 1406267. The reversal of 1406266 is 6626041.

1406266 = 263² + 264² + ... + 281².

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1406266.

It is not an unprimeable number, because it can be changed into a prime (1406267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70 + ... + 1678.

It is an arithmetic number, because the mean of its divisors is an integer number (144900).

2^1406266 is an apocalyptic number.

1406266 is a deficient number, since it is larger than the sum of its proper divisors (912134).

1406266 is a wasteful number, since it uses less digits than its factorization.

1406266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1406266 is about 1185.8608687363. The cubic root of 1406266 is about 112.0355435659.

The spelling of 1406266 in words is "one million, four hundred six thousand, two hundred sixty-six".