3901397 has 2 divisors, whose sum is σ = 3901398. Its totient is φ = 3901396.

The previous prime is 3901369. The next prime is 3901411. The reversal of 3901397 is 7931093.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3066001 + 835396 = 1751^2 + 914^2 .

It is a cyclic number.

It is not a de Polignac number, because 3901397 - 2⁶ = 3901333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3901367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950698 + 1950699.

It is an arithmetic number, because the mean of its divisors is an integer number (1950699).

Almost surely, 2^3901397 is an apocalyptic number.

It is an amenable number.

3901397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3901397 is an equidigital number, since it uses as much as digits as its factorization.

3901397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 3901397 is about 1975.1954333686. The cubic root of 3901397 is about 157.4248839759.

The spelling of 3901397 in words is "three million, nine hundred one thousand, three hundred ninety-seven".