3249978 has 32 divisors (see below), whose sum is σ = 6815232. Its totient is φ = 1032000.

The previous prime is 3249977. The next prime is 3249991. The reversal of 3249978 is 8799423.

It is not an unprimeable number, because it can be changed into a prime (3249971) 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, 18700 + ... + 18872.

It is an arithmetic number, because the mean of its divisors is an integer number (212976).

Almost surely, 2^3249978 is an apocalyptic number.

3249978 is an abundant number, since it is smaller than the sum of its proper divisors (3565254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3249978 is a wasteful number, since it uses less digits than its factorization.

3249978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its digits is 108864, while the sum is 42.

The square root of 3249978 is about 1802.7695360195. The cubic root of 3249978 is about 148.1244691893.

The spelling of 3249978 in words is "three million, two hundred forty-nine thousand, nine hundred seventy-eight".