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4380397 = 75311807
BaseRepresentation
bin10000101101011011101101
322020112202221
4100231123231
52110133042
6233515341
752142560
oct20553355
98215687
104380397
11252206a
121572b51
13ba4a68
148204d7
155b7d67
hex42d6ed

4380397 has 8 divisors (see below), whose sum is σ = 5101056. Its totient is φ = 3683472.

The previous prime is 4380391. The next prime is 4380401. The reversal of 4380397 is 7930834.

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 4380397 - 219 = 3856109 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 (4380391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5533 + ... + 6274.

It is an arithmetic number, because the mean of its divisors is an integer number (637632).

Almost surely, 24380397 is an apocalyptic number.

It is an amenable number.

4380397 is a deficient number, since it is larger than the sum of its proper divisors (720659).

4380397 is a wasteful number, since it uses less digits than its factorization.

4380397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11867.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 4380397 is about 2092.9397984653. The cubic root of 4380397 is about 163.6205409972.

The spelling of 4380397 in words is "four million, three hundred eighty thousand, three hundred ninety-seven".

Divisors: 1 7 53 371 11807 82649 625771 4380397