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3834405 = 33528403
BaseRepresentation
bin1110101000001000100101
321012210211000
432220020211
51440200110
6214103513
744410011
oct16501045
97183730
103834405
112189933
12134ab99
13a433a3
1471b541
1550b1c0
hex3a8225

3834405 has 16 divisors (see below), whose sum is σ = 6816960. Its totient is φ = 2044944.

The previous prime is 3834377. The next prime is 3834407. The reversal of 3834405 is 5044383.

It is a happy number.

It is not a de Polignac number, because 3834405 - 214 = 3818021 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3834407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14067 + ... + 14336.

It is an arithmetic number, because the mean of its divisors is an integer number (426060).

Almost surely, 23834405 is an apocalyptic number.

It is an amenable number.

3834405 is a deficient number, since it is larger than the sum of its proper divisors (2982555).

3834405 is a wasteful number, since it uses less digits than its factorization.

3834405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28417 (or 28411 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3834405 is about 1958.1636805947. The cubic root of 3834405 is about 156.5186142190.

Adding to 3834405 its reverse (5044383), we get a palindrome (8878788).

It can be divided in two parts, 38 and 34405, that added together give a palindrome (34443).

The spelling of 3834405 in words is "three million, eight hundred thirty-four thousand, four hundred five".

Divisors: 1 3 5 9 15 27 45 135 28403 85209 142015 255627 426045 766881 1278135 3834405