392097247 has 2 divisors, whose sum is σ = 392097248. Its totient is φ = 392097246.

The previous prime is 392097241. The next prime is 392097271. The reversal of 392097247 is 742790293.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 392097247 - 2³ = 392097239 is a prime.

It is a super-2 number, since 2×392097247² = 307480502209958018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (392097241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196048623 + 196048624.

It is an arithmetic number, because the mean of its divisors is an integer number (196048624).

Almost surely, 2^392097247 is an apocalyptic number.

392097247 is a deficient number, since it is larger than the sum of its proper divisors (1).

392097247 is an equidigital number, since it uses as much as digits as its factorization.

392097247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 392097247 is about 19801.4455785430. The cubic root of 392097247 is about 731.9216568140.

The spelling of 392097247 in words is "three hundred ninety-two million, ninety-seven thousand, two hundred forty-seven".