1438016 has 14 divisors (see below), whose sum is σ = 2853690. Its totient is φ = 718976.

The previous prime is 1438009. The next prime is 1438033. The reversal of 1438016 is 6108341.

It can be written as a sum of positive squares in only one way, i.e., 1345600 + 92416 = 1160^2 + 304^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1437982 and 1438000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11171 + ... + 11298.

It is an arithmetic number, because the mean of its divisors is an integer number (203835).

2^1438016 is an apocalyptic number.

1438016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1438016 is a deficient number, since it is larger than the sum of its proper divisors (1415674).

1438016 is an equidigital number, since it uses as much as digits as its factorization.

1438016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22481 (or 22471 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1438016 is about 1199.1730483963. The cubic root of 1438016 is about 112.8724380884.

The spelling of 1438016 in words is "one million, four hundred thirty-eight thousand, sixteen".