3493823 has 4 divisors (see below), whose sum is σ = 3699360. Its totient is φ = 3288288.

The previous prime is 3493817. The next prime is 3493829. The reversal of 3493823 is 3283943.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3283943 = 13 ⋅252611.

It is an interprime number because it is at equal distance from previous prime (3493817) and next prime (3493829).

It is a cyclic number.

It is not a de Polignac number, because 3493823 - 2⁶ = 3493759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3493823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102743 + ... + 102776.

It is an arithmetic number, because the mean of its divisors is an integer number (924840).

Almost surely, 2^3493823 is an apocalyptic number.

3493823 is a deficient number, since it is larger than the sum of its proper divisors (205537).

3493823 is a wasteful number, since it uses less digits than its factorization.

3493823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205536.

The product of its digits is 15552, while the sum is 32.

The square root of 3493823 is about 1869.1770916636. The cubic root of 3493823 is about 151.7400769014.

The spelling of 3493823 in words is "three million, four hundred ninety-three thousand, eight hundred twenty-three".