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486409 = 7116317
BaseRepresentation
bin1110110110000001001
3220201020011
41312300021
5111031114
614231521
74064050
oct1666011
9821204
10486409
113024a0
121b55a1
13140521
14c9397
15991c4
hex76c09

486409 has 8 divisors (see below), whose sum is σ = 606528. Its totient is φ = 378960.

The previous prime is 486407. The next prime is 486433. The reversal of 486409 is 904684.

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 486409 - 21 = 486407 is a prime.

It is a super-4 number, since 4×4864094 (a number of 24 digits) contains 4444 as substring.

It is a Duffinian number.

486409 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (486407) 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, 3082 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (75816).

2486409 is an apocalyptic number.

It is an amenable number.

486409 is a deficient number, since it is larger than the sum of its proper divisors (120119).

486409 is a wasteful number, since it uses less digits than its factorization.

486409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 486409 is about 697.4302832542. The cubic root of 486409 is about 78.6442908527.

The spelling of 486409 in words is "four hundred eighty-six thousand, four hundred nine".

Divisors: 1 7 11 77 6317 44219 69487 486409