396260321 has 16 divisors (see below), whose sum is σ = 425356800. Its totient is φ = 368323200.

The previous prime is 396260303. The next prime is 396260323. The reversal of 396260321 is 123062693.

It is not a de Polignac number, because 396260321 - 2¹⁸ = 395998177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (396260323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188645 + ... + 190733.

It is an arithmetic number, because the mean of its divisors is an integer number (26584800).

Almost surely, 2^396260321 is an apocalyptic number.

396260321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

396260321 is a deficient number, since it is larger than the sum of its proper divisors (29096479).

396260321 is a wasteful number, since it uses less digits than its factorization.

396260321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 396260321 is about 19906.2884787697. The cubic root of 396260321 is about 734.5029239677.

The spelling of 396260321 in words is "three hundred ninety-six million, two hundred sixty thousand, three hundred twenty-one".