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3989797 = 71673413
BaseRepresentation
bin1111001110000100100101
321111200222021
433032010211
52010133142
6221303141
745625030
oct17160445
97450867
103989797
112285659
121404ab1
13a99036
1475c017
1553c267
hex3ce125

3989797 has 8 divisors (see below), whose sum is σ = 4588416. Its totient is φ = 3398352.

The previous prime is 3989761. The next prime is 3989801. The reversal of 3989797 is 7979893.

3989797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3989797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989897) 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 in 7 ways as a sum of consecutive naturals, for example, 538 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (573552).

Almost surely, 23989797 is an apocalyptic number.

It is an amenable number.

3989797 is a deficient number, since it is larger than the sum of its proper divisors (598619).

3989797 is a wasteful number, since it uses less digits than its factorization.

3989797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587.

The product of its digits is 857304, while the sum is 52.

The square root of 3989797 is about 1997.4476213408. The cubic root of 3989797 is about 158.6050215023.

The spelling of 3989797 in words is "three million, nine hundred eighty-nine thousand, seven hundred ninety-seven".

Divisors: 1 7 167 1169 3413 23891 569971 3989797