3249681 has 8 divisors (see below), whose sum is σ = 4364640. Its totient is φ = 2150592.

The previous prime is 3249679. The next prime is 3249707. The reversal of 3249681 is 1869423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3249681 - 2¹ = 3249679 is a prime.

It is a super-2 number, since 2×3249681² = 21120853203522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3249641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3480 + ... + 4313.

It is an arithmetic number, because the mean of its divisors is an integer number (545580).

Almost surely, 2^3249681 is an apocalyptic number.

It is an amenable number.

3249681 is a deficient number, since it is larger than the sum of its proper divisors (1114959).

3249681 is a wasteful number, since it uses less digits than its factorization.

3249681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7935.

The product of its digits is 10368, while the sum is 33.

The square root of 3249681 is about 1802.6871608796. The cubic root of 3249681 is about 148.1199569221.

The spelling of 3249681 in words is "three million, two hundred forty-nine thousand, six hundred eighty-one".