396673247 has 2 divisors, whose sum is σ = 396673248. Its totient is φ = 396673246.

The previous prime is 396673243. The next prime is 396673259. The reversal of 396673247 is 742376693.

It is a weak prime.

It is an emirp because it is prime and its reverse (742376693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396673247 - 2² = 396673243 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396673243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198336623 + 198336624.

It is an arithmetic number, because the mean of its divisors is an integer number (198336624).

Almost surely, 2^396673247 is an apocalyptic number.

396673247 is a deficient number, since it is larger than the sum of its proper divisors (1).

396673247 is an equidigital number, since it uses as much as digits as its factorization.

396673247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 47.

The square root of 396673247 is about 19916.6575257999. The cubic root of 396673247 is about 734.7579668009.

The spelling of 396673247 in words is "three hundred ninety-six million, six hundred seventy-three thousand, two hundred forty-seven".