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989386 = 2494693
BaseRepresentation
bin11110001100011001010
31212021011221
43301203022
5223130021
633112254
711260336
oct3614312
91767157
10989386
11616382
123b868a
13288448
141ba7c6
15148241
hexf18ca

989386 has 4 divisors (see below), whose sum is σ = 1484082. Its totient is φ = 494692.

The previous prime is 989381. The next prime is 989411. The reversal of 989386 is 683989.

989386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 683989 = 1136053.

It can be written as a sum of positive squares in only one way, i.e., 525625 + 463761 = 725^2 + 681^2 .

It is a super-3 number, since 3×9893863 = 2905484325739933368, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (989381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247345 + ... + 247348.

2989386 is an apocalyptic number.

989386 is a deficient number, since it is larger than the sum of its proper divisors (494696).

989386 is a wasteful number, since it uses less digits than its factorization.

989386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494695.

The product of its digits is 93312, while the sum is 43.

The square root of 989386 is about 994.6788426422. The cubic root of 989386 is about 99.6449408218.

The spelling of 989386 in words is "nine hundred eighty-nine thousand, three hundred eighty-six".

Divisors: 1 2 494693 989386