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1349406 = 23324989
BaseRepresentation
bin101001001011100011110
32112120001000
411021130132
5321140111
644531130
714320062
oct5113436
92476030
101349406
11841913
12550aa6
13383286
14271aa2
151b9c56
hex14971e

1349406 has 16 divisors (see below), whose sum is σ = 2998800. Its totient is φ = 449784.

The previous prime is 1349401. The next prime is 1349407. The reversal of 1349406 is 6049431.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1349406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12441 + ... + 12548.

It is an arithmetic number, because the mean of its divisors is an integer number (187425).

21349406 is an apocalyptic number.

1349406 is an abundant number, since it is smaller than the sum of its proper divisors (1649394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1349406 is a wasteful number, since it uses less digits than its factorization.

1349406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000 (or 24994 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1349406 is about 1161.6393588373. The cubic root of 1349406 is about 110.5047328426.

The spelling of 1349406 in words is "one million, three hundred forty-nine thousand, four hundred six".

Divisors: 1 2 3 6 9 18 27 54 24989 49978 74967 149934 224901 449802 674703 1349406