396759666 has 8 divisors (see below), whose sum is σ = 793519344. Its totient is φ = 132253220.

The previous prime is 396759661. The next prime is 396759689. The reversal of 396759666 is 666957693.

It is a sphenic number, since it is the product of 3 distinct primes.

396759666 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (396759661) 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, 33063300 + ... + 33063311.

It is an arithmetic number, because the mean of its divisors is an integer number (99189918).

Almost surely, 2^396759666 is an apocalyptic number.

396759666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396759666 is a wasteful number, since it uses less digits than its factorization.

396759666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66126616.

The product of its digits is 11022480, while the sum is 57.

The square root of 396759666 is about 19918.8269232904. The cubic root of 396759666 is about 734.8113209059.

The spelling of 396759666 in words is "three hundred ninety-six million, seven hundred fifty-nine thousand, six hundred sixty-six".