3509990 has 32 divisors (see below), whose sum is σ = 7301664. Its totient is φ = 1200640.

The previous prime is 3509983. The next prime is 3509999. The reversal of 3509990 is 999053.

It is a self number, because there is not a number n which added to its sum of digits gives 3509990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3509999) 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, 932 + ... + 2808.

It is an arithmetic number, because the mean of its divisors is an integer number (228177).

Almost surely, 2^3509990 is an apocalyptic number.

3509990 is an abundant number, since it is smaller than the sum of its proper divisors (3791674).

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

3509990 is a wasteful number, since it uses less digits than its factorization.

3509990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912.

The product of its (nonzero) digits is 10935, while the sum is 35.

The square root of 3509990 is about 1873.4967307151. The cubic root of 3509990 is about 151.9737662482.

The spelling of 3509990 in words is "three million, five hundred nine thousand, nine hundred ninety".