1388468 has 12 divisors (see below), whose sum is σ = 2439780. Its totient is φ = 691392.

The previous prime is 1388467. The next prime is 1388473. The reversal of 1388468 is 8648831.

It can be written as a sum of positive squares in 2 ways, for example, as 14884 + 1373584 = 122^2 + 1172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698 + ... + 1806.

It is an arithmetic number, because the mean of its divisors is an integer number (203315).

2^1388468 is an apocalyptic number.

It is an amenable number.

1388468 is a deficient number, since it is larger than the sum of its proper divisors (1051312).

1388468 is a wasteful number, since it uses less digits than its factorization.

1388468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1424 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 1388468 is about 1178.3327204147. The cubic root of 1388468 is about 111.5608869328.

The spelling of 1388468 in words is "one million, three hundred eighty-eight thousand, four hundred sixty-eight".