1388452 has 12 divisors (see below), whose sum is σ = 2616796. Its totient is φ = 640800.

The previous prime is 1388449. The next prime is 1388461. The reversal of 1388452 is 2548831.

It can be written as a sum of positive squares in 2 ways, for example, as 147456 + 1240996 = 384^2 + 1114^2 .

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 3 ways as a sum of consecutive naturals, for example, 13299 + ... + 13402.

2^1388452 is an apocalyptic number.

It is an amenable number.

1388452 is a deficient number, since it is larger than the sum of its proper divisors (1228344).

1388452 is a wasteful number, since it uses less digits than its factorization.

1388452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26718 (or 26716 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 1388452 is about 1178.3259311413. The cubic root of 1388452 is about 111.5604584075.

The spelling of 1388452 in words is "one million, three hundred eighty-eight thousand, four hundred fifty-two".