34003997 has 2 divisors, whose sum is σ = 34003998. Its totient is φ = 34003996.

The previous prime is 34003969. The next prime is 34004017. The reversal of 34003997 is 79930043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25512601 + 8491396 = 5051^2 + 2914^2 .

It is a cyclic number.

It is not a de Polignac number, because 34003997 - 2⁶ = 34003933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34000997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17001998 + 17001999.

It is an arithmetic number, because the mean of its divisors is an integer number (17001999).

Almost surely, 2^34003997 is an apocalyptic number.

It is an amenable number.

34003997 is a deficient number, since it is larger than the sum of its proper divisors (1).

34003997 is an equidigital number, since it uses as much as digits as its factorization.

34003997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 34003997 is about 5831.2946246953. The cubic root of 34003997 is about 323.9738744621.

The spelling of 34003997 in words is "thirty-four million, three thousand, nine hundred ninety-seven".