3505966 has 4 divisors (see below), whose sum is σ = 5258952. Its totient is φ = 1752982.

The previous prime is 3505963. The next prime is 3505969. The reversal of 3505966 is 6695053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6695053 = 137 ⋅48869.

It is an interprime number because it is at equal distance from previous prime (3505963) and next prime (3505969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 876490 + ... + 876493.

It is an arithmetic number, because the mean of its divisors is an integer number (1314738).

Almost surely, 2^3505966 is an apocalyptic number.

3505966 is a deficient number, since it is larger than the sum of its proper divisors (1752986).

3505966 is a wasteful number, since it uses less digits than its factorization.

3505966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752985.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 3505966 is about 1872.4224950582. The cubic root of 3505966 is about 151.9156676702.

The spelling of 3505966 in words is "three million, five hundred five thousand, nine hundred sixty-six".