1438346 has 24 divisors (see below), whose sum is σ = 2705220. Its totient is φ = 568512.

The previous prime is 1438303. The next prime is 1438379. The reversal of 1438346 is 6438341.

It can be written as a sum of positive squares in 2 ways, for example, as 1177225 + 261121 = 1085^2 + 511^2 .

It is an Ulam number.

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 in 11 ways as a sum of consecutive naturals, for example, 710 + ... + 1838.

2^1438346 is an apocalyptic number.

1438346 is a deficient number, since it is larger than the sum of its proper divisors (1266874).

1438346 is a wasteful number, since it uses less digits than its factorization.

1438346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1151 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 1438346 is about 1199.3106353235. The cubic root of 1438346 is about 112.8810715241.

The spelling of 1438346 in words is "one million, four hundred thirty-eight thousand, three hundred forty-six".