3213249 has 16 divisors (see below), whose sum is σ = 4714752. Its totient is φ = 1934208.

The previous prime is 3213239. The next prime is 3213269. The reversal of 3213249 is 9423123.

It is not a de Polignac number, because 3213249 - 2⁴ = 3213233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3213239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957 + ... + 2709.

It is an arithmetic number, because the mean of its divisors is an integer number (294672).

Almost surely, 2^3213249 is an apocalyptic number.

3213249 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3213249 is a deficient number, since it is larger than the sum of its proper divisors (1501503).

3213249 is a wasteful number, since it uses less digits than its factorization.

3213249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816.

The product of its digits is 1296, while the sum is 24.

The square root of 3213249 is about 1792.5537648841. The cubic root of 3213249 is about 147.5643538011.

It can be divided in two parts, 321 and 3249, that added together give a triangular number (3570 = T₈₄).

The spelling of 3213249 in words is "three million, two hundred thirteen thousand, two hundred forty-nine".