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2097389 = 71032909
BaseRepresentation
bin1000000000000011101101
310221120002002
420000003231
51014104024
6112542045
723553560
oct10000355
93846062
102097389
111202888
12851925
13585878
143c84d7
152b66ae
hex2000ed

2097389 has 8 divisors (see below), whose sum is σ = 2421120. Its totient is φ = 1779696.

The previous prime is 2097383. The next prime is 2097397. The reversal of 2097389 is 9837902.

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 2097389 - 24 = 2097373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734 + ... + 2175.

It is an arithmetic number, because the mean of its divisors is an integer number (302640).

22097389 is an apocalyptic number.

It is an amenable number.

2097389 is a deficient number, since it is larger than the sum of its proper divisors (323731).

2097389 is a wasteful number, since it uses less digits than its factorization.

2097389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2097389 is about 1448.2365138333. The cubic root of 2097389 is about 128.0048215957.

The spelling of 2097389 in words is "two million, ninety-seven thousand, three hundred eighty-nine".

Divisors: 1 7 103 721 2909 20363 299627 2097389