1392008 has 16 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 691600.

The previous prime is 1392007. The next prime is 1392089. The reversal of 1392008 is 8002931.

It is not an unprimeable number, because it can be changed into a prime (1392007) 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, 1073 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (164160).

2^1392008 is an apocalyptic number.

It is an amenable number.

1392008 is a deficient number, since it is larger than the sum of its proper divisors (1234552).

1392008 is a wasteful number, since it uses less digits than its factorization.

1392008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1392008 is about 1179.8338866129. The cubic root of 1392008 is about 111.6556173320.

Adding to 1392008 its reverse (8002931), we get a palindrome (9394939).

The spelling of 1392008 in words is "one million, three hundred ninety-two thousand, eight".