4091361 has 4 divisors (see below), whose sum is σ = 5455152. Its totient is φ = 2727572.

The previous prime is 4091357. The next prime is 4091369. The reversal of 4091361 is 1631904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4091361 - 2² = 4091357 is a prime.

It is a D-number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (4091369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681891 + ... + 681896.

It is an arithmetic number, because the mean of its divisors is an integer number (1363788).

Almost surely, 2^4091361 is an apocalyptic number.

It is an amenable number.

4091361 is a deficient number, since it is larger than the sum of its proper divisors (1363791).

4091361 is a wasteful number, since it uses less digits than its factorization.

4091361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363790.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 4091361 is about 2022.7112992219. The cubic root of 4091361 is about 159.9395735361.

It can be divided in two parts, 409 and 1361, that added together give a triangular number (1770 = T₅₉).

The spelling of 4091361 in words is "four million, ninety-one thousand, three hundred sixty-one".