240240887 has 2 divisors, whose sum is σ = 240240888. Its totient is φ = 240240886.

The previous prime is 240240881. The next prime is 240240937. The reversal of 240240887 is 788042042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240240887 - 2⁶ = 240240823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240240881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120120443 + 120120444.

It is an arithmetic number, because the mean of its divisors is an integer number (120120444).

Almost surely, 2^240240887 is an apocalyptic number.

240240887 is a deficient number, since it is larger than the sum of its proper divisors (1).

240240887 is an equidigital number, since it uses as much as digits as its factorization.

240240887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 240240887 is about 15499.7060294704. The cubic root of 240240887 is about 621.6543460899.

The spelling of 240240887 in words is "two hundred forty million, two hundred forty thousand, eight hundred eighty-seven".