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4388069 = 71932993
BaseRepresentation
bin10000101111010011100101
322020221022002
4100233103211
52110404234
6234015045
752204130
oct20572345
98227262
104388069
112527904
121577485
13ba83ba
14823217
155ba27e
hex42f4e5

4388069 has 8 divisors (see below), whose sum is σ = 5279040. Its totient is φ = 3563136.

The previous prime is 4388063. The next prime is 4388071. The reversal of 4388069 is 9608834.

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 4388069 - 216 = 4322533 is a prime.

It is a super-2 number, since 2×43880692 = 38510299097522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4388063) 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, 16364 + ... + 16629.

It is an arithmetic number, because the mean of its divisors is an integer number (659880).

Almost surely, 24388069 is an apocalyptic number.

It is an amenable number.

4388069 is a deficient number, since it is larger than the sum of its proper divisors (890971).

4388069 is a wasteful number, since it uses less digits than its factorization.

4388069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33019.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 4388069 is about 2094.7718252831. The cubic root of 4388069 is about 163.7160091054.

The spelling of 4388069 in words is "four million, three hundred eighty-eight thousand, sixty-nine".

Divisors: 1 7 19 133 32993 230951 626867 4388069