4095405 has 12 divisors (see below), whose sum is σ = 7098780. Its totient is φ = 2184192.

The previous prime is 4095401. The next prime is 4095451. The reversal of 4095405 is 5045904.

It can be written as a sum of positive squares in 2 ways, for example, as 1212201 + 2883204 = 1101^2 + 1698^2 .

It is not a de Polignac number, because 4095405 - 2² = 4095401 is a prime.

It is a super-2 number, since 2×4095405² = 33544684228050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4095401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45460 + ... + 45549.

It is an arithmetic number, because the mean of its divisors is an integer number (591565).

Almost surely, 2^4095405 is an apocalyptic number.

4095405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4095405 is a deficient number, since it is larger than the sum of its proper divisors (3003375).

4095405 is a wasteful number, since it uses less digits than its factorization.

4095405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91020 (or 91017 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4095405 is about 2023.7107006685. The cubic root of 4095405 is about 159.9922522290.

The spelling of 4095405 in words is "four million, ninety-five thousand, four hundred five".