3491405 has 8 divisors (see below), whose sum is σ = 4243200. Its totient is φ = 2757456.

The previous prime is 3491401. The next prime is 3491413. The reversal of 3491405 is 5041943.

3491405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3491405 - 2² = 3491401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3491401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4025 + ... + 4814.

It is an arithmetic number, because the mean of its divisors is an integer number (530400).

Almost surely, 2^3491405 is an apocalyptic number.

It is an amenable number.

3491405 is a deficient number, since it is larger than the sum of its proper divisors (751795).

3491405 is an equidigital number, since it uses as much as digits as its factorization.

3491405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3491405 is about 1868.5301710168. The cubic root of 3491405 is about 151.7050634714.

The spelling of 3491405 in words is "three million, four hundred ninety-one thousand, four hundred five".