4340440397 has 8 divisors (see below), whose sum is σ = 4357236000. Its totient is φ = 4323664944.

The previous prime is 4340440343. The next prime is 4340440399. The reversal of 4340440397 is 7930440434.

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

It is a cyclic number.

It is not a de Polignac number, because 4340440397 - 2¹² = 4340436301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4340440397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340440399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534554 + ... + 542612.

It is an arithmetic number, because the mean of its divisors is an integer number (544654500).

Almost surely, 2^4340440397 is an apocalyptic number.

It is an amenable number.

4340440397 is a deficient number, since it is larger than the sum of its proper divisors (16795603).

4340440397 is a wasteful number, since it uses less digits than its factorization.

4340440397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10075.

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 4340440397 is about 65882.0187684014. The cubic root of 4340440397 is about 1631.2152224800.

The spelling of 4340440397 in words is "four billion, three hundred forty million, four hundred forty thousand, three hundred ninety-seven".