1418906 has 4 divisors (see below), whose sum is σ = 2128362. Its totient is φ = 709452.

The previous prime is 1418881. The next prime is 1418917. The reversal of 1418906 is 6098141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6098141 = 7 ⋅871163.

It can be written as a sum of positive squares in only one way, i.e., 1343281 + 75625 = 1159^2 + 275^2 .

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 as a sum of consecutive naturals, namely, 354725 + ... + 354728.

2^1418906 is an apocalyptic number.

1418906 is a deficient number, since it is larger than the sum of its proper divisors (709456).

1418906 is an equidigital number, since it uses as much as digits as its factorization.

1418906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709455.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1418906 is about 1191.1784081320. The cubic root of 1418906 is about 112.3702141158.

The spelling of 1418906 in words is "one million, four hundred eighteen thousand, nine hundred six".