1008399 has 16 divisors (see below), whose sum is σ = 1587200. Its totient is φ = 557280.

The previous prime is 1008379. The next prime is 1008401. The reversal of 1008399 is 9938001.

It is a happy number.

It is not a de Polignac number, because 1008399 - 2⁹ = 1007887 is a prime.

1008399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124 + ... + 1425.

It is an arithmetic number, because the mean of its divisors is an integer number (99200).

2^1008399 is an apocalyptic number.

1008399 is a deficient number, since it is larger than the sum of its proper divisors (578801).

1008399 is a wasteful number, since it uses less digits than its factorization.

1008399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1008399 is about 1004.1907189374. The cubic root of 1008399 is about 100.2791864903.

The spelling of 1008399 in words is "one million, eight thousand, three hundred ninety-nine".