3249623 has 4 divisors (see below), whose sum is σ = 3499608. Its totient is φ = 2999640.

The previous prime is 3249613. The next prime is 3249629. The reversal of 3249623 is 3269423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3269423 = 17 ⋅192319.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3249623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3249629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124973 + ... + 124998.

It is an arithmetic number, because the mean of its divisors is an integer number (874902).

Almost surely, 2^3249623 is an apocalyptic number.

3249623 is a deficient number, since it is larger than the sum of its proper divisors (249985).

3249623 is a wasteful number, since it uses less digits than its factorization.

3249623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249984.

The product of its digits is 7776, while the sum is 29.

The square root of 3249623 is about 1802.6710737126. The cubic root of 3249623 is about 148.1190757065.

The spelling of 3249623 in words is "three million, two hundred forty-nine thousand, six hundred twenty-three".