396366893 has 8 divisors (see below), whose sum is σ = 429974328. Its totient is φ = 363204864.

The previous prime is 396366881. The next prime is 396366907. The reversal of 396366893 is 398663693.

It can be written as a sum of positive squares in 4 ways, for example, as 6620329 + 389746564 = 2573^2 + 19742^2 .

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 396366893 - 2¹⁰ = 396365869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396366833) 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, 109496 + ... + 113057.

It is an arithmetic number, because the mean of its divisors is an integer number (53746791).

Almost surely, 2^396366893 is an apocalyptic number.

It is an amenable number.

396366893 is a deficient number, since it is larger than the sum of its proper divisors (33607435).

396366893 is a wasteful number, since it uses less digits than its factorization.

396366893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222703.

The product of its digits is 3779136, while the sum is 53.

The square root of 396366893 is about 19908.9651413628. The cubic root of 396366893 is about 734.5687648851.

The spelling of 396366893 in words is "three hundred ninety-six million, three hundred sixty-six thousand, eight hundred ninety-three".