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397327 = 7311831
BaseRepresentation
bin1100001000000001111
3202012000211
41201000033
5100203302
612303251
73243250
oct1410017
9665024
10397327
11251577
12171b27
1310bb08
14a4b27
157cad7
hex6100f

397327 has 8 divisors (see below), whose sum is σ = 468992. Its totient is φ = 329400.

The previous prime is 397303. The next prime is 397337. The reversal of 397327 is 723793.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-397327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699 + ... + 1132.

It is an arithmetic number, because the mean of its divisors is an integer number (58624).

2397327 is an apocalyptic number.

397327 is a deficient number, since it is larger than the sum of its proper divisors (71665).

397327 is a wasteful number, since it uses less digits than its factorization.

397327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869.

The product of its digits is 7938, while the sum is 31.

The square root of 397327 is about 630.3387977905. The cubic root of 397327 is about 73.5161394209.

The spelling of 397327 in words is "three hundred ninety-seven thousand, three hundred twenty-seven".

Divisors: 1 7 31 217 1831 12817 56761 397327