3440470397 has 24 divisors (see below), whose sum is σ = 4270078080. Its totient is φ = 2714212800.

The previous prime is 3440470379. The next prime is 3440470447. The reversal of 3440470397 is 7930740443.

It is not a de Polignac number, because 3440470397 - 2⁸ = 3440470141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440470697) 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 23 ways as a sum of consecutive naturals, for example, 420647 + ... + 428747.

It is an arithmetic number, because the mean of its divisors is an integer number (177919920).

Almost surely, 2^3440470397 is an apocalyptic number.

It is an amenable number.

3440470397 is a deficient number, since it is larger than the sum of its proper divisors (829607683).

3440470397 is a wasteful number, since it uses less digits than its factorization.

3440470397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8493 (or 8480 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 3440470397 is about 58655.5231585228. The cubic root of 3440470397 is about 1509.6372675195.

The spelling of 3440470397 in words is "three billion, four hundred forty million, four hundred seventy thousand, three hundred ninety-seven".