240395873 has 4 divisors (see below), whose sum is σ = 242231088. Its totient is φ = 238560660.

The previous prime is 240395801. The next prime is 240395879. The reversal of 240395873 is 378593042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 378593042 = 2 ⋅189296521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240395873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240395873.

It is not an unprimeable number, because it can be changed into a prime (240395879) 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, 917411 + ... + 917672.

It is an arithmetic number, because the mean of its divisors is an integer number (60557772).

Almost surely, 2^240395873 is an apocalyptic number.

It is an amenable number.

240395873 is a deficient number, since it is larger than the sum of its proper divisors (1835215).

240395873 is a wasteful number, since it uses less digits than its factorization.

240395873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835214.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 240395873 is about 15504.7048665881. The cubic root of 240395873 is about 621.7879994551.

The spelling of 240395873 in words is "two hundred forty million, three hundred ninety-five thousand, eight hundred seventy-three".