396609147 has 12 divisors (see below), whose sum is σ = 624960024. Its totient is φ = 240369120.

The previous prime is 396609131. The next prime is 396609197. The reversal of 396609147 is 741906693.

396609147 is a `hidden beast` number, since 39 + 6 + 609 + 1 + 4 + 7 = 666.

It is not a de Polignac number, because 396609147 - 2⁴ = 396609131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396609107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2002978 + ... + 2003175.

It is an arithmetic number, because the mean of its divisors is an integer number (52080002).

Almost surely, 2^396609147 is an apocalyptic number.

396609147 is a deficient number, since it is larger than the sum of its proper divisors (228350877).

396609147 is a wasteful number, since it uses less digits than its factorization.

396609147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006170 (or 4006167 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 396609147 is about 19915.0482550256. The cubic root of 396609147 is about 734.7183871863.

The spelling of 396609147 in words is "three hundred ninety-six million, six hundred nine thousand, one hundred forty-seven".