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3806979 = 311115363
BaseRepresentation
bin1110100001011100000011
321011102012020
432201130003
51433310404
6213332523
744234031
oct16413403
97142166
103806979
112170270
121337143
13a33a67
14711551
15502ed9
hex3a1703

3806979 has 8 divisors (see below), whose sum is σ = 5537472. Its totient is φ = 2307240.

The previous prime is 3806927. The next prime is 3806981. The reversal of 3806979 is 9796083.

It is a happy number.

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

It is not a de Polignac number, because 3806979 - 27 = 3806851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3806979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806909) 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, 57649 + ... + 57714.

It is an arithmetic number, because the mean of its divisors is an integer number (692184).

Almost surely, 23806979 is an apocalyptic number.

3806979 is a deficient number, since it is larger than the sum of its proper divisors (1730493).

3806979 is a wasteful number, since it uses less digits than its factorization.

3806979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115377.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 3806979 is about 1951.1481235416. The cubic root of 3806979 is about 156.1445487950.

The spelling of 3806979 in words is "three million, eight hundred six thousand, nine hundred seventy-nine".

Divisors: 1 3 11 33 115363 346089 1268993 3806979