3520986 has 16 divisors (see below), whose sum is σ = 8048064. Its totient is φ = 1005984.

The previous prime is 3520973. The next prime is 3520987. The reversal of 3520986 is 6890253.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3520987) 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, 41875 + ... + 41958.

It is an arithmetic number, because the mean of its divisors is an integer number (503004).

Almost surely, 2^3520986 is an apocalyptic number.

3520986 is an abundant number, since it is smaller than the sum of its proper divisors (4527078).

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

3520986 is a wasteful number, since it uses less digits than its factorization.

3520986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83845.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3520986 is about 1876.4290554135. The cubic root of 3520986 is about 152.1323005557.

The spelling of 3520986 in words is "three million, five hundred twenty thousand, nine hundred eighty-six".