240892643 has 4 divisors (see below), whose sum is σ = 243795048. Its totient is φ = 237990240.

The previous prime is 240892637. The next prime is 240892649. The reversal of 240892643 is 346298042.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (240892637) and next prime (240892649).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240892643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240892597 and 240892606.

It is not an unprimeable number, because it can be changed into a prime (240892649) 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, 1451078 + ... + 1451243.

It is an arithmetic number, because the mean of its divisors is an integer number (60948762).

Almost surely, 2^240892643 is an apocalyptic number.

240892643 is a deficient number, since it is larger than the sum of its proper divisors (2902405).

240892643 is an equidigital number, since it uses as much as digits as its factorization.

240892643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902404.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 240892643 is about 15520.7165749523. The cubic root of 240892643 is about 622.2160061111.

The spelling of 240892643 in words is "two hundred forty million, eight hundred ninety-two thousand, six hundred forty-three".