2918398 has 8 divisors (see below), whose sum is σ = 5002992. Its totient is φ = 1250736.

The previous prime is 2918393. The next prime is 2918411. The reversal of 2918398 is 8938192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2918398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2918393) 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, 104215 + ... + 104242.

It is an arithmetic number, because the mean of its divisors is an integer number (625374).

2^2918398 is an apocalyptic number.

2918398 is a deficient number, since it is larger than the sum of its proper divisors (2084594).

2918398 is a wasteful number, since it uses less digits than its factorization.

2918398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208466.

The product of its digits is 31104, while the sum is 40.

The square root of 2918398 is about 1708.3319349588. The cubic root of 2918398 is about 142.9052463720.

The spelling of 2918398 in words is "two million, nine hundred eighteen thousand, three hundred ninety-eight".