3493863 has 12 divisors (see below), whose sum is σ = 5097040. Its totient is φ = 2306016.

The previous prime is 3493859. The next prime is 3493883. The reversal of 3493863 is 3683943.

It is not a de Polignac number, because 3493863 - 2² = 3493859 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 958 + ... + 2811.

Almost surely, 2^3493863 is an apocalyptic number.

3493863 is a deficient number, since it is larger than the sum of its proper divisors (1603177).

3493863 is a wasteful number, since it uses less digits than its factorization.

3493863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878 (or 3875 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 3493863 is about 1869.1877915287. The cubic root of 3493863 is about 151.7406559787.

It can be divided in two parts, 3493 and 863, that added together give a square (4356 = 66²).

The spelling of 3493863 in words is "three million, four hundred ninety-three thousand, eight hundred sixty-three".