396609141 has 4 divisors (see below), whose sum is σ = 528812192. Its totient is φ = 264406092.

The previous prime is 396609131. The next prime is 396609197. The reversal of 396609141 is 141906693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141906693 = 3 ⋅47302231.

It is not a de Polignac number, because 396609141 - 2⁹ = 396608629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 396609141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396609131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66101521 + ... + 66101526.

It is an arithmetic number, because the mean of its divisors is an integer number (132203048).

Almost surely, 2^396609141 is an apocalyptic number.

It is an amenable number.

396609141 is a deficient number, since it is larger than the sum of its proper divisors (132203051).

396609141 is a wasteful number, since it uses less digits than its factorization.

396609141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132203050.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 396609141 is about 19915.0481043858. The cubic root of 396609141 is about 734.7183834813.

The spelling of 396609141 in words is "three hundred ninety-six million, six hundred nine thousand, one hundred forty-one".