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886401 = 32149661
BaseRepresentation
bin11011000011010000001
31200000220200
43120122001
5211331101
630555413
710351155
oct3303201
91600820
10886401
11555a6a
12368b69
132505c9
14191065
15127986
hexd8681

886401 has 12 divisors (see below), whose sum is σ = 1290900. Its totient is φ = 586080.

The previous prime is 886387. The next prime is 886421. The reversal of 886401 is 104688.

It can be written as a sum of positive squares in 2 ways, for example, as 389376 + 497025 = 624^2 + 705^2 .

It is not a de Polignac number, because 886401 - 26 = 886337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (886421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1011 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (107575).

2886401 is an apocalyptic number.

It is an amenable number.

886401 is a deficient number, since it is larger than the sum of its proper divisors (404499).

886401 is a wasteful number, since it uses less digits than its factorization.

886401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 886401 is about 941.4887147491. The cubic root of 886401 is about 96.0601836164.

The spelling of 886401 in words is "eight hundred eighty-six thousand, four hundred one".

Divisors: 1 3 9 149 447 661 1341 1983 5949 98489 295467 886401