3504978 has 32 divisors (see below), whose sum is σ = 7960320. Its totient is φ = 1142640.

The previous prime is 3504961. The next prime is 3504979. The reversal of 3504978 is 8794053.

It is not an unprimeable number, because it can be changed into a prime (3504979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848 + ... + 3228.

It is an arithmetic number, because the mean of its divisors is an integer number (248760).

Almost surely, 2^3504978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3504978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3980160).

3504978 is an abundant number, since it is smaller than the sum of its proper divisors (4455342).

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

3504978 is a wasteful number, since it uses less digits than its factorization.

3504978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3504978 is about 1872.1586471237. The cubic root of 3504978 is about 151.9013961132.

The spelling of 3504978 in words is "three million, five hundred four thousand, nine hundred seventy-eight".