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396469 = 2111879
BaseRepresentation
bin1100000110010110101
3202010212001
41200302311
5100141334
612255301
73240613
oct1406265
9663761
10396469
11250967
12171531
1310b5c8
14a46b3
157c714
hex60cb5

396469 has 4 divisors (see below), whose sum is σ = 398560. Its totient is φ = 394380.

The previous prime is 396449. The next prime is 396479. The reversal of 396469 is 964693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 396469 - 25 = 396437 is a prime.

It is a super-2 number, since 2×3964692 = 314375335922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729 + ... + 1150.

It is an arithmetic number, because the mean of its divisors is an integer number (99640).

2396469 is an apocalyptic number.

It is an amenable number.

396469 is a deficient number, since it is larger than the sum of its proper divisors (2091).

396469 is a wasteful number, since it uses less digits than its factorization.

396469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090.

The product of its digits is 34992, while the sum is 37.

The square root of 396469 is about 629.6578435944. The cubic root of 396469 is about 73.4631836225.

The spelling of 396469 in words is "three hundred ninety-six thousand, four hundred sixty-nine".

Divisors: 1 211 1879 396469