396670547 has 16 divisors (see below), whose sum is σ = 491117760. Its totient is φ = 313837056.

The previous prime is 396670541. The next prime is 396670577. The reversal of 396670547 is 745076693.

It is a happy number.

It is not a de Polignac number, because 396670547 - 2⁸ = 396670291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396670541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2483 + ... + 28275.

It is an arithmetic number, because the mean of its divisors is an integer number (30694860).

Almost surely, 2^396670547 is an apocalyptic number.

396670547 is a deficient number, since it is larger than the sum of its proper divisors (94447213).

396670547 is an equidigital number, since it uses as much as digits as its factorization.

396670547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25839 (or 25813 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 47.

The square root of 396670547 is about 19916.5897432266. The cubic root of 396670547 is about 734.7562997269.

The spelling of 396670547 in words is "three hundred ninety-six million, six hundred seventy thousand, five hundred forty-seven".