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3840001 = 113111261
BaseRepresentation
bin1110101001100000000001
321020002111021
432221200001
51440340001
6214145441
744432224
oct16514001
97202437
103840001
112193060
121352281
13a45ab9
1471d5bb
1550cba1
hex3a9801

3840001 has 8 divisors (see below), whose sum is σ = 4324608. Its totient is φ = 3378000.

The previous prime is 3839999. The next prime is 3840007. The reversal of 3840001 is 1000483.

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 3840001 - 21 = 3839999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3840007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5290 + ... + 5971.

It is an arithmetic number, because the mean of its divisors is an integer number (540576).

It is a Proth number, since it is equal to 1875 ⋅ 211 + 1 and 1875 < 211.

Almost surely, 23840001 is an apocalyptic number.

3840001 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3840001 is a deficient number, since it is larger than the sum of its proper divisors (484607).

3840001 is a wasteful number, since it uses less digits than its factorization.

3840001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11303.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3840001 is about 1959.5920493817. The cubic root of 3840001 is about 156.5947192400.

Adding to 3840001 its reverse (1000483), we get a palindrome (4840484).

The spelling of 3840001 in words is "three million, eight hundred forty thousand, one".

Divisors: 1 11 31 341 11261 123871 349091 3840001