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3929441 = 16324107
BaseRepresentation
bin1110111111010101100001
321101122011212
432333111201
52001220231
6220115505
745254045
oct16772541
97348155
103929441
11224427a
121395b95
13a77719
14744025
1552942b
hex3bf561

3929441 has 4 divisors (see below), whose sum is σ = 3953712. Its totient is φ = 3905172.

The previous prime is 3929417. The next prime is 3929449. The reversal of 3929441 is 1449293.

It is a happy number.

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 3929441 - 210 = 3928417 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3929398 and 3929407.

It is not an unprimeable number, because it can be changed into a prime (3929449) 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, 11891 + ... + 12216.

It is an arithmetic number, because the mean of its divisors is an integer number (988428).

Almost surely, 23929441 is an apocalyptic number.

It is an amenable number.

3929441 is a deficient number, since it is larger than the sum of its proper divisors (24271).

3929441 is a wasteful number, since it uses less digits than its factorization.

3929441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24270.

The product of its digits is 7776, while the sum is 32.

The square root of 3929441 is about 1982.2817660464. The cubic root of 3929441 is about 157.8011839940.

The spelling of 3929441 in words is "three million, nine hundred twenty-nine thousand, four hundred forty-one".

Divisors: 1 163 24107 3929441