240974999 has 4 divisors (see below), whose sum is σ = 246852480. Its totient is φ = 235097520.

The previous prime is 240974977. The next prime is 240975013. The reversal of 240974999 is 999479042.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 240974999 - 2²⁴ = 224197783 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 240974999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240974299) 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, 2938679 + ... + 2938760.

It is an arithmetic number, because the mean of its divisors is an integer number (61713120).

Almost surely, 2^240974999 is an apocalyptic number.

240974999 is a deficient number, since it is larger than the sum of its proper divisors (5877481).

240974999 is an equidigital number, since it uses as much as digits as its factorization.

240974999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5877480.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 240974999 is about 15523.3694473848. The cubic root of 240974999 is about 622.2869054437.

The spelling of 240974999 in words is "two hundred forty million, nine hundred seventy-four thousand, nine hundred ninety-nine".