240498407 has 2 divisors, whose sum is σ = 240498408. Its totient is φ = 240498406.

The previous prime is 240498397. The next prime is 240498437. The reversal of 240498407 is 704894042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240498407 - 2¹⁴ = 240482023 is a prime.

It is equal to p_13187585 and since 240498407 and 13187585 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240498437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120249203 + 120249204.

It is an arithmetic number, because the mean of its divisors is an integer number (120249204).

Almost surely, 2^240498407 is an apocalyptic number.

240498407 is a deficient number, since it is larger than the sum of its proper divisors (1).

240498407 is an equidigital number, since it uses as much as digits as its factorization.

240498407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 240498407 is about 15508.0110588044. The cubic root of 240498407 is about 621.8763888659.

The spelling of 240498407 in words is "two hundred forty million, four hundred ninety-eight thousand, four hundred seven".