240388197 has 32 divisors (see below), whose sum is σ = 373471488. Its totient is φ = 134701056.

The previous prime is 240388193. The next prime is 240388201. The reversal of 240388197 is 791883042.

It is an interprime number because it is at equal distance from previous prime (240388193) and next prime (240388201).

It is not a de Polignac number, because 240388197 - 2² = 240388193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240388193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356853 + ... + 357525.

It is an arithmetic number, because the mean of its divisors is an integer number (11670984).

Almost surely, 2^240388197 is an apocalyptic number.

It is an amenable number.

240388197 is a deficient number, since it is larger than the sum of its proper divisors (133083291).

240388197 is a wasteful number, since it uses less digits than its factorization.

240388197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 240388197 is about 15504.4573268464. The cubic root of 240388197 is about 621.7813813500.

The spelling of 240388197 in words is "two hundred forty million, three hundred eighty-eight thousand, one hundred ninety-seven".