1418402 has 4 divisors (see below), whose sum is σ = 2127606. Its totient is φ = 709200.

The previous prime is 1418399. The next prime is 1418423. The reversal of 1418402 is 2048141.

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., 1125721 + 292681 = 1061^2 + 541^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354599 + ... + 354602.

2^1418402 is an apocalyptic number.

1418402 is a deficient number, since it is larger than the sum of its proper divisors (709204).

1418402 is an equidigital number, since it uses as much as digits as its factorization.

1418402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709203.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1418402 is about 1190.9668341310. The cubic root of 1418402 is about 112.3569077857.

The spelling of 1418402 in words is "one million, four hundred eighteen thousand, four hundred two".