3913397 has 2 divisors, whose sum is σ = 3913398. Its totient is φ = 3913396.

The previous prime is 3913391. The next prime is 3913421. The reversal of 3913397 is 7933193.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3334276 + 579121 = 1826^2 + 761^2 .

It is a cyclic number.

It is not a de Polignac number, because 3913397 - 2¹⁴ = 3897013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3913391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1956698 + 1956699.

It is an arithmetic number, because the mean of its divisors is an integer number (1956699).

Almost surely, 2^3913397 is an apocalyptic number.

It is an amenable number.

3913397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3913397 is an equidigital number, since it uses as much as digits as its factorization.

3913397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15309, while the sum is 35.

The square root of 3913397 is about 1978.2307752130. The cubic root of 3913397 is about 157.5861223791.

The spelling of 3913397 in words is "three million, nine hundred thirteen thousand, three hundred ninety-seven".