1208388 has 12 divisors (see below), whose sum is σ = 2819600. Its totient is φ = 402792.

The previous prime is 1208387. The next prime is 1208399. The reversal of 1208388 is 8838021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1208387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50338 + ... + 50361.

2^1208388 is an apocalyptic number.

It is an amenable number.

1208388 is an abundant number, since it is smaller than the sum of its proper divisors (1611212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1208388 is a wasteful number, since it uses less digits than its factorization.

1208388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100706 (or 100704 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 1208388 is about 1099.2670285240. The cubic root of 1208388 is about 106.5128816881.

It can be divided in two parts, 1208 and 388, that added together give a triangular number (1596 = T₅₆).

The spelling of 1208388 in words is "one million, two hundred eight thousand, three hundred eighty-eight".