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3899284 = 22974821
BaseRepresentation
bin1110110111111110010100
321100002210221
432313332110
51444234114
6215324124
745100114
oct16677624
97302727
103899284
112223654
121380644
13a66a8c
14737044
15520524
hex3b7f94

3899284 has 6 divisors (see below), whose sum is σ = 6823754. Its totient is φ = 1949640.

The previous prime is 3899279. The next prime is 3899297. The reversal of 3899284 is 4829983.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3572100 + 327184 = 1890^2 + 572^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3899284.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487407 + ... + 487414.

Almost surely, 23899284 is an apocalyptic number.

It is an amenable number.

3899284 is a deficient number, since it is larger than the sum of its proper divisors (2924470).

3899284 is a wasteful number, since it uses less digits than its factorization.

3899284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974825 (or 974823 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 3899284 is about 1974.6604771454. The cubic root of 3899284 is about 157.3964583589.

The spelling of 3899284 in words is "three million, eight hundred ninety-nine thousand, two hundred eighty-four".

Divisors: 1 2 4 974821 1949642 3899284