4069397 has 2 divisors, whose sum is σ = 4069398. Its totient is φ = 4069396.

The previous prime is 4069381. The next prime is 4069421. The reversal of 4069397 is 7939604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3530641 + 538756 = 1879^2 + 734^2 .

It is a cyclic number.

It is not a de Polignac number, because 4069397 - 2⁴ = 4069381 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4069397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4069327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2034698 + 2034699.

It is an arithmetic number, because the mean of its divisors is an integer number (2034699).

Almost surely, 2^4069397 is an apocalyptic number.

It is an amenable number.

4069397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4069397 is an equidigital number, since it uses as much as digits as its factorization.

4069397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 4069397 is about 2017.2746466458. The cubic root of 4069397 is about 159.6528541264.

The spelling of 4069397 in words is "four million, sixty-nine thousand, three hundred ninety-seven".