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3887398 = 21943699
BaseRepresentation
bin1110110101000100100110
321022111111201
432311010212
51443344043
6215153114
745020344
oct16650446
97274451
103887398
112215729
12137579a
13a61548
14732994
1551bc4d
hex3b5126

3887398 has 4 divisors (see below), whose sum is σ = 5831100. Its totient is φ = 1943698.

The previous prime is 3887393. The next prime is 3887399. The reversal of 3887398 is 8937883.

3887398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8937883 = 23937397.

It is a super-2 number, since 2×38873982 = 30223726420808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887393) 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 as a sum of consecutive naturals, namely, 971848 + ... + 971851.

It is an arithmetic number, because the mean of its divisors is an integer number (1457775).

Almost surely, 23887398 is an apocalyptic number.

3887398 is a deficient number, since it is larger than the sum of its proper divisors (1943702).

3887398 is a wasteful number, since it uses less digits than its factorization.

3887398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943701.

The product of its digits is 290304, while the sum is 46.

The square root of 3887398 is about 1971.6485488038. The cubic root of 3887398 is about 157.2363675633.

The spelling of 3887398 in words is "three million, eight hundred eighty-seven thousand, three hundred ninety-eight".

Divisors: 1 2 1943699 3887398