3491995 has 16 divisors (see below), whose sum is σ = 4660992. Its totient is φ = 2494080.

The previous prime is 3491981. The next prime is 3492001. The reversal of 3491995 is 5991943.

3491995 = T₁₃₀ + T₁₃₁ + ... + T₂₈₄.

3491995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3491995 - 2⁵ = 3491963 is a prime.

It is a Duffinian number.

3491995 is a lucky number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1149 + ... + 2881.

It is an arithmetic number, because the mean of its divisors is an integer number (291312).

Almost surely, 2^3491995 is an apocalyptic number.

3491995 is a deficient number, since it is larger than the sum of its proper divisors (1168997).

3491995 is a wasteful number, since it uses less digits than its factorization.

3491995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782.

The product of its digits is 43740, while the sum is 40.

The square root of 3491995 is about 1868.6880424512. The cubic root of 3491995 is about 151.7136083548.

It can be divided in two parts, 34 and 91995, that added together give a palindrome (92029).

The spelling of 3491995 in words is "three million, four hundred ninety-one thousand, nine hundred ninety-five".