245398 has 8 divisors (see below), whose sum is σ = 380880. Its totient is φ = 118440.

The previous prime is 245389. The next prime is 245407. The reversal of 245398 is 893542.

It is an interprime number because it is at equal distance from previous prime (245389) and next prime (245407).

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

It is a super-3 number, since 3×245398³ = 44333734019954376, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

245398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2058 + ... + 2173.

It is an arithmetic number, because the mean of its divisors is an integer number (47610).

2²⁴⁵³⁹⁸ is an apocalyptic number.

245398 is a deficient number, since it is larger than the sum of its proper divisors (135482).

245398 is a wasteful number, since it uses less digits than its factorization.

245398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262.

The product of its digits is 8640, while the sum is 31.

The square root of 245398 is about 495.3766243980. The cubic root of 245398 is about 62.6071123263.

The spelling of 245398 in words is "two hundred forty-five thousand, three hundred ninety-eight".