1338462 has 48 divisors (see below), whose sum is σ = 3133728. Its totient is φ = 411840.

The previous prime is 1338457. The next prime is 1338473. The reversal of 1338462 is 2648331.

It is a happy number.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 21912 + ... + 21972.

It is an arithmetic number, because the mean of its divisors is an integer number (65286).

2^1338462 is an apocalyptic number.

1338462 is the 732-nd heptagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1338462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1566864).

1338462 is an abundant number, since it is smaller than the sum of its proper divisors (1795266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1338462 is a wasteful number, since it uses less digits than its factorization.

1338462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 142 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1338462 is about 1156.9191847316. The cubic root of 1338462 is about 110.2051817770.

The spelling of 1338462 in words is "one million, three hundred thirty-eight thousand, four hundred sixty-two".