240332397 has 8 divisors (see below), whose sum is σ = 320545056. Its totient is φ = 160170672.

The previous prime is 240332363. The next prime is 240332399. The reversal of 240332397 is 793233042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240332397 - 2⁶ = 240332333 is a prime.

It is a super-2 number, since 2×240332397² = 115519322095531218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240332399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138 + ... + 21924.

It is an arithmetic number, because the mean of its divisors is an integer number (40068132).

Almost surely, 2^240332397 is an apocalyptic number.

It is an amenable number.

240332397 is a deficient number, since it is larger than the sum of its proper divisors (80212659).

240332397 is a wasteful number, since it uses less digits than its factorization.

240332397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25467.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 240332397 is about 15502.6577398845. The cubic root of 240332397 is about 621.7332673876.

The spelling of 240332397 in words is "two hundred forty million, three hundred thirty-two thousand, three hundred ninety-seven".