2399667398 has 4 divisors (see below), whose sum is σ = 3599501100. Its totient is φ = 1199833698.

The previous prime is 2399667371. The next prime is 2399667401. The reversal of 2399667398 is 8937669932.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2399667398.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 599916848 + ... + 599916851.

It is an arithmetic number, because the mean of its divisors is an integer number (899875275).

Almost surely, 2^2399667398 is an apocalyptic number.

2399667398 is a deficient number, since it is larger than the sum of its proper divisors (1199833702).

2399667398 is a wasteful number, since it uses less digits than its factorization.

2399667398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199833701.

The product of its digits is 26453952, while the sum is 62.

The square root of 2399667398 is about 48986.4001330982. The cubic root of 2399667398 is about 1338.8040487687.

The spelling of 2399667398 in words is "two billion, three hundred ninety-nine million, six hundred sixty-seven thousand, three hundred ninety-eight".