8400697 has 2 divisors, whose sum is σ = 8400698. Its totient is φ = 8400696.

The previous prime is 8400683. The next prime is 8400701. The reversal of 8400697 is 7960048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5875776 + 2524921 = 2424^2 + 1589^2 .

It is a cyclic number.

It is not a de Polignac number, because 8400697 - 2⁷ = 8400569 is a prime.

It is not a weakly prime, because it can be changed into another prime (8400617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4200348 + 4200349.

It is an arithmetic number, because the mean of its divisors is an integer number (4200349).

Almost surely, 2^8400697 is an apocalyptic number.

It is an amenable number.

8400697 is a deficient number, since it is larger than the sum of its proper divisors (1).

8400697 is an equidigital number, since it uses as much as digits as its factorization.

8400697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 8400697 is about 2898.3955906674. The cubic root of 8400697 is about 203.2848936540.

The spelling of 8400697 in words is "eight million, four hundred thousand, six hundred ninety-seven".