1438042 has 8 divisors (see below), whose sum is σ = 2215476. Its totient is φ = 699552.

The previous prime is 1438033. The next prime is 1438057. The reversal of 1438042 is 2408341.

It can be written as a sum of positive squares in 2 ways, for example, as 1437601 + 441 = 1199^2 + 21^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9643 + ... + 9790.

2^1438042 is an apocalyptic number.

1438042 is a deficient number, since it is larger than the sum of its proper divisors (777434).

1438042 is a wasteful number, since it uses less digits than its factorization.

1438042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19472.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1438042 is about 1199.1838891513. The cubic root of 1438042 is about 112.8731183464.

Subtracting 1438042 from its reverse (2408341), we obtain a cube (970299 = 99³).

The spelling of 1438042 in words is "one million, four hundred thirty-eight thousand, forty-two".