1438772 has 24 divisors (see below), whose sum is σ = 2671872. Its totient is φ = 676800.

The previous prime is 1438771. The next prime is 1438793. The reversal of 1438772 is 2778341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438771) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4943 + ... + 5225.

It is an arithmetic number, because the mean of its divisors is an integer number (111328).

2^1438772 is an apocalyptic number.

It is an amenable number.

1438772 is a deficient number, since it is larger than the sum of its proper divisors (1233100).

1438772 is a wasteful number, since it uses less digits than its factorization.

1438772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 357 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 1438772 is about 1199.4882242023. The cubic root of 1438772 is about 112.8922145522.

The spelling of 1438772 in words is "one million, four hundred thirty-eight thousand, seven hundred seventy-two".