260398 has 4 divisors (see below), whose sum is σ = 390600. Its totient is φ = 130198.

The previous prime is 260387. The next prime is 260399. The reversal of 260398 is 893062.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65098 + ... + 65101.

It is an arithmetic number, because the mean of its divisors is an integer number (97650).

2²⁶⁰³⁹⁸ is an apocalyptic number.

260398 is a deficient number, since it is larger than the sum of its proper divisors (130202).

260398 is a wasteful number, since it uses less digits than its factorization.

260398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130201.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 260398 is about 510.2920732287. The cubic root of 260398 is about 63.8575935224.

It can be divided in two parts, 2603 and 98, that added together give a triangular number (2701 = T₇₃).

The spelling of 260398 in words is "two hundred sixty thousand, three hundred ninety-eight".