970000397 has 2 divisors, whose sum is σ = 970000398. Its totient is φ = 970000396.

The previous prime is 970000393. The next prime is 970000403. The reversal of 970000397 is 793000079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 526518916 + 443481481 = 22946^2 + 21059^2 .

It is a cyclic number.

It is not a de Polignac number, because 970000397 - 2² = 970000393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (970000391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485000198 + 485000199.

It is an arithmetic number, because the mean of its divisors is an integer number (485000199).

Almost surely, 2^970000397 is an apocalyptic number.

It is an amenable number.

970000397 is a deficient number, since it is larger than the sum of its proper divisors (1).

970000397 is an equidigital number, since it uses as much as digits as its factorization.

970000397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 35.

The square root of 970000397 is about 31144.8293782451. The cubic root of 970000397 is about 989.8984342971.

The spelling of 970000397 in words is "nine hundred seventy million, three hundred ninety-seven", and thus it is an aban number.