240098 has 4 divisors (see below), whose sum is σ = 360150. Its totient is φ = 120048.

The previous prime is 240089. The next prime is 240101. The reversal of 240098 is 890042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 890042 = 2 ⋅445021.

It can be written as a sum of positive squares in only one way, i.e., 142129 + 97969 = 377^2 + 313^2 .

It is an unprimeable number.

240098 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 as a sum of consecutive naturals, namely, 60023 + ... + 60026.

2²⁴⁰⁰⁹⁸ is an apocalyptic number.

240098 is a deficient number, since it is larger than the sum of its proper divisors (120052).

240098 is a wasteful number, since it uses less digits than its factorization.

240098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120051.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 240098 is about 489.9979591794. The cubic root of 240098 is about 62.1531075454.

The spelling of 240098 in words is "two hundred forty thousand, ninety-eight".