3490305 has 32 divisors (see below), whose sum is σ = 6875904. Its totient is φ = 1472256.

The previous prime is 3490303. The next prime is 3490307. The reversal of 3490305 is 5030943.

3490305 = 95² + 96² + ... + 224².

It is an interprime number because it is at equal distance from previous prime (3490303) and next prime (3490307).

It is not a de Polignac number, because 3490305 - 2¹ = 3490303 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3490303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87 + ... + 2643.

It is an arithmetic number, because the mean of its divisors is an integer number (214872).

Almost surely, 2^3490305 is an apocalyptic number.

3490305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3490305 is a deficient number, since it is larger than the sum of its proper divisors (3385599).

3490305 is a wasteful number, since it uses less digits than its factorization.

3490305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 3490305 is about 1868.2357988220. The cubic root of 3490305 is about 151.6891297620.

The spelling of 3490305 in words is "three million, four hundred ninety thousand, three hundred five".