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3968979 = 37188999
BaseRepresentation
bin1111001000111111010011
321110122102020
433020333103
52004001404
6221022523
745510240
oct17107723
97418366
103968979
112270a53
1213b4a43
13a8c711
147545c7
15535ed9
hex3c8fd3

3968979 has 8 divisors (see below), whose sum is σ = 6048000. Its totient is φ = 2267976.

The previous prime is 3968957. The next prime is 3968981. The reversal of 3968979 is 9798693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3968979 - 25 = 3968947 is a prime.

It is a super-3 number, since 3×39689793 (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3963979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94479 + ... + 94520.

It is an arithmetic number, because the mean of its divisors is an integer number (756000).

Almost surely, 23968979 is an apocalyptic number.

3968979 is a deficient number, since it is larger than the sum of its proper divisors (2079021).

3968979 is a wasteful number, since it uses less digits than its factorization.

3968979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189009.

The product of its digits is 734832, while the sum is 51.

The square root of 3968979 is about 1992.2296554363. The cubic root of 3968979 is about 158.3286833968.

The spelling of 3968979 in words is "three million, nine hundred sixty-eight thousand, nine hundred seventy-nine".

Divisors: 1 3 7 21 188999 566997 1322993 3968979