3249963 has 10 divisors (see below), whose sum is σ = 4855004. Its totient is φ = 2166588.

The previous prime is 3249919. The next prime is 3249971. The reversal of 3249963 is 3699423.

It is a happy number.

It is not a de Polignac number, because 3249963 - 2⁸ = 3249707 is a prime.

It is a Duffinian number.

3249963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3249913) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19981 + ... + 20142.

Almost surely, 2^3249963 is an apocalyptic number.

3249963 is a deficient number, since it is larger than the sum of its proper divisors (1605041).

3249963 is an equidigital number, since it uses as much as digits as its factorization.

3249963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40135 (or 40126 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 3249963 is about 1802.7653757492. The cubic root of 3249963 is about 148.1242413036.

The spelling of 3249963 in words is "three million, two hundred forty-nine thousand, nine hundred sixty-three".