3229749 has 6 divisors (see below), whose sum is σ = 4665206. Its totient is φ = 2153160.

The previous prime is 3229741. The next prime is 3229769. The reversal of 3229749 is 9479223.

It can be written as a sum of positive squares in only one way, i.e., 2387025 + 842724 = 1545^2 + 918^2 .

It is not a de Polignac number, because 3229749 - 2³ = 3229741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3229741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179422 + ... + 179439.

Almost surely, 2^3229749 is an apocalyptic number.

It is an amenable number.

3229749 is a deficient number, since it is larger than the sum of its proper divisors (1435457).

3229749 is a wasteful number, since it uses less digits than its factorization.

3229749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358867 (or 358864 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 3229749 is about 1797.1502441365. The cubic root of 3229749 is about 147.8165031686.

The spelling of 3229749 in words is "three million, two hundred twenty-nine thousand, seven hundred forty-nine".