1418642 has 4 divisors (see below), whose sum is σ = 2127966. Its totient is φ = 709320.

The previous prime is 1418621. The next prime is 1418687. The reversal of 1418642 is 2468141.

1418642 is nontrivially palindromic in base 3.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 811801 + 606841 = 901^2 + 779^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354659 + ... + 354662.

2^1418642 is an apocalyptic number.

1418642 is a deficient number, since it is larger than the sum of its proper divisors (709324).

1418642 is an equidigital number, since it uses as much as digits as its factorization.

1418642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709323.

The product of its digits is 1536, while the sum is 26.

The square root of 1418642 is about 1191.0675883425. The cubic root of 1418642 is about 112.3632445264.

The spelling of 1418642 in words is "one million, four hundred eighteen thousand, six hundred forty-two".