396588247 has 4 divisors (see below), whose sum is σ = 432641736. Its totient is φ = 360534760.

The previous prime is 396588233. The next prime is 396588251. The reversal of 396588247 is 742885693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 396588247 - 2⁷ = 396588119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 396588194 and 396588203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396588277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18026728 + ... + 18026749.

It is an arithmetic number, because the mean of its divisors is an integer number (108160434).

Almost surely, 2^396588247 is an apocalyptic number.

396588247 is a deficient number, since it is larger than the sum of its proper divisors (36053489).

396588247 is a wasteful number, since it uses less digits than its factorization.

396588247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36053488.

The product of its digits is 2903040, while the sum is 52.

The square root of 396588247 is about 19914.5235192811. The cubic root of 396588247 is about 734.7054812106.

The spelling of 396588247 in words is "three hundred ninety-six million, five hundred eighty-eight thousand, two hundred forty-seven".