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3894449 = 131915767
BaseRepresentation
bin1110110110110010110001
321022212011212
432312302301
51444110244
6215245505
745050036
oct16666261
97285155
103894449
11221aa59
121379895
13a64810
1473538d
1551dd9e
hex3b6cb1

3894449 has 8 divisors (see below), whose sum is σ = 4415040. Its totient is φ = 3405456.

The previous prime is 3894433. The next prime is 3894469. The reversal of 3894449 is 9444983.

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 3894449 - 24 = 3894433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3894409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7637 + ... + 8130.

It is an arithmetic number, because the mean of its divisors is an integer number (551880).

Almost surely, 23894449 is an apocalyptic number.

It is an amenable number.

3894449 is a deficient number, since it is larger than the sum of its proper divisors (520591).

3894449 is a wasteful number, since it uses less digits than its factorization.

3894449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15799.

The product of its digits is 124416, while the sum is 41.

The square root of 3894449 is about 1973.4358363018. The cubic root of 3894449 is about 157.3313757577.

The spelling of 3894449 in words is "three million, eight hundred ninety-four thousand, four hundred forty-nine".

Divisors: 1 13 19 247 15767 204971 299573 3894449