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2884969 = 23912071
BaseRepresentation
bin1011000000010101101001
312102120102201
423000111221
51214304334
6141500201
733343663
oct13002551
95376381
102884969
1116a057a
12b71661
137a01a9
14551533
153bec14
hex2c0569

2884969 has 4 divisors (see below), whose sum is σ = 2897280. Its totient is φ = 2872660.

The previous prime is 2884967. The next prime is 2884991. The reversal of 2884969 is 9694882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2884969 - 21 = 2884967 is a prime.

It is a super-2 number, since 2×28849692 = 16646092261922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2884961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5797 + ... + 6274.

It is an arithmetic number, because the mean of its divisors is an integer number (724320).

22884969 is an apocalyptic number.

It is an amenable number.

2884969 is a deficient number, since it is larger than the sum of its proper divisors (12311).

2884969 is a wasteful number, since it uses less digits than its factorization.

2884969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12310.

The product of its digits is 248832, while the sum is 46.

The square root of 2884969 is about 1698.5196495772. The cubic root of 2884969 is about 142.3575101789.

The spelling of 2884969 in words is "two million, eight hundred eighty-four thousand, nine hundred sixty-nine".

Divisors: 1 239 12071 2884969