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398374 = 21391433
BaseRepresentation
bin1100001010000100110
3202020110121
41201100212
5100221444
612312154
73246304
oct1412046
9666417
10398374
11252339
1217265a
1310c432
14a5274
157d084
hex61426

398374 has 8 divisors (see below), whose sum is σ = 602280. Its totient is φ = 197616.

The previous prime is 398369. The next prime is 398393. The reversal of 398374 is 473893.

398374 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

398374 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 439 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (75285).

2398374 is an apocalyptic number.

398374 is a deficient number, since it is larger than the sum of its proper divisors (203906).

398374 is a wasteful number, since it uses less digits than its factorization.

398374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574.

The product of its digits is 18144, while the sum is 34.

The square root of 398374 is about 631.1687571482. The cubic root of 398374 is about 73.5806571334.

The spelling of 398374 in words is "three hundred ninety-eight thousand, three hundred seventy-four".

Divisors: 1 2 139 278 1433 2866 199187 398374