4091355 has 48 divisors (see below), whose sum is σ = 7637760. Its totient is φ = 2021184.

The previous prime is 4091323. The next prime is 4091357. The reversal of 4091355 is 5531904.

It is not a de Polignac number, because 4091355 - 2⁵ = 4091323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4091357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61032 + ... + 61098.

It is an arithmetic number, because the mean of its divisors is an integer number (159120).

Almost surely, 2^4091355 is an apocalyptic number.

4091355 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4091355 is a deficient number, since it is larger than the sum of its proper divisors (3546405).

4091355 is a wasteful number, since it uses less digits than its factorization.

4091355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 4091355 is about 2022.7098160636. The cubic root of 4091355 is about 159.9394953520.

It can be divided in two parts, 409 and 1355, that added together give a square (1764 = 42²).

The spelling of 4091355 in words is "four million, ninety-one thousand, three hundred fifty-five".