3440056397 has 2 divisors, whose sum is σ = 3440056398. Its totient is φ = 3440056396.

The previous prime is 3440056393. The next prime is 3440056439. The reversal of 3440056397 is 7936500443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2577694441 + 862361956 = 50771^2 + 29366^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440056397 - 2² = 3440056393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3440056393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720028198 + 1720028199.

It is an arithmetic number, because the mean of its divisors is an integer number (1720028199).

Almost surely, 2^3440056397 is an apocalyptic number.

It is an amenable number.

3440056397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440056397 is an equidigital number, since it uses as much as digits as its factorization.

3440056397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 3440056397 is about 58651.9939729247. The cubic root of 3440056397 is about 1509.5767123408.

The spelling of 3440056397 in words is "three billion, four hundred forty million, fifty-six thousand, three hundred ninety-seven".