396751441 has 2 divisors, whose sum is σ = 396751442. Its totient is φ = 396751440.

The previous prime is 396751417. The next prime is 396751463. The reversal of 396751441 is 144157693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242892225 + 153859216 = 15585^2 + 12404^2 .

It is a cyclic number.

It is not a de Polignac number, because 396751441 - 2⁹ = 396750929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 396751394 and 396751403.

It is not a weakly prime, because it can be changed into another prime (396751471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198375720 + 198375721.

It is an arithmetic number, because the mean of its divisors is an integer number (198375721).

Almost surely, 2^396751441 is an apocalyptic number.

It is an amenable number.

396751441 is a deficient number, since it is larger than the sum of its proper divisors (1).

396751441 is an equidigital number, since it uses as much as digits as its factorization.

396751441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 396751441 is about 19918.6204592587. The cubic root of 396751441 is about 734.8062432183.

The spelling of 396751441 in words is "three hundred ninety-six million, seven hundred fifty-one thousand, four hundred forty-one".