2305398 has 16 divisors (see below), whose sum is σ = 4639536. Its totient is φ = 763680.

The previous prime is 2305393. The next prime is 2305409. The reversal of 2305398 is 8935032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73 + ... + 2148.

It is an arithmetic number, because the mean of its divisors is an integer number (289971).

2^2305398 is an apocalyptic number.

2305398 is an abundant number, since it is smaller than the sum of its proper divisors (2334138).

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

2305398 is a wasteful number, since it uses less digits than its factorization.

2305398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2305398 is about 1518.3537137308. The cubic root of 2305398 is about 132.1037980633.

The spelling of 2305398 in words is "two million, three hundred five thousand, three hundred ninety-eight".