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3830769 = 32425641
BaseRepresentation
bin1110100111001111110001
321012121211100
432213033301
51440041034
6214035013
744363265
oct16471761
97177740
103830769
112187128
121348a69
13a41837
1471a0a5
1550a099
hex3a73f1

3830769 has 6 divisors (see below), whose sum is σ = 5533346. Its totient is φ = 2553840.

The previous prime is 3830759. The next prime is 3830773. The reversal of 3830769 is 9670383.

It can be written as a sum of positive squares in only one way, i.e., 3470769 + 360000 = 1863^2 + 600^2 .

It is not a de Polignac number, because 3830769 - 25 = 3830737 is a prime.

It is a super-2 number, since 2×38307692 = 29349582262722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3830759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212812 + ... + 212829.

Almost surely, 23830769 is an apocalyptic number.

It is an amenable number.

3830769 is a deficient number, since it is larger than the sum of its proper divisors (1702577).

3830769 is a wasteful number, since it uses less digits than its factorization.

3830769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425647 (or 425644 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3830769 is about 1957.2350395392. The cubic root of 3830769 is about 156.4691253013.

The spelling of 3830769 in words is "three million, eight hundred thirty thousand, seven hundred sixty-nine".

Divisors: 1 3 9 425641 1276923 3830769