1138208 has 12 divisors (see below), whose sum is σ = 2240910. Its totient is φ = 569088.

The previous prime is 1138183. The next prime is 1138213. The reversal of 1138208 is 8028311.

It can be written as a sum of positive squares in only one way, i.e., 659344 + 478864 = 812^2 + 692^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17753 + ... + 17816.

2^1138208 is an apocalyptic number.

It is an amenable number.

1138208 is a deficient number, since it is larger than the sum of its proper divisors (1102702).

1138208 is an equidigital number, since it uses as much as digits as its factorization.

1138208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35579 (or 35571 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1138208 is about 1066.8683142731. The cubic root of 1138208 is about 104.4096270782.

The spelling of 1138208 in words is "one million, one hundred thirty-eight thousand, two hundred eight".