396444693 has 8 divisors (see below), whose sum is σ = 529671456. Its totient is φ = 263757200.

The previous prime is 396444691. The next prime is 396444707.

396444693 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 396444693 - 2¹ = 396444691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396444691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133098 + ... + 136043.

It is an arithmetic number, because the mean of its divisors is an integer number (66208932).

Almost surely, 2^396444693 is an apocalyptic number.

It is an amenable number.

396444693 is a deficient number, since it is larger than the sum of its proper divisors (133226763).

396444693 is a wasteful number, since it uses less digits than its factorization.

396444693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269635.

The product of its digits is 1679616, while the sum is 48.

The square root of 396444693 is about 19910.9189391148. The cubic root of 396444693 is about 734.6168228100.

The spelling of 396444693 in words is "three hundred ninety-six million, four hundred forty-four thousand, six hundred ninety-three".