3609890 has 8 divisors (see below), whose sum is σ = 6497820. Its totient is φ = 1443952.

The previous prime is 3609889. The next prime is 3609911. The reversal of 3609890 is 989063.

It can be written as a sum of positive squares in 2 ways, for example, as 3508129 + 101761 = 1873^2 + 319^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 3609890.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180485 + ... + 180504.

Almost surely, 2^3609890 is an apocalyptic number.

3609890 is a deficient number, since it is larger than the sum of its proper divisors (2887930).

3609890 is a wasteful number, since it uses less digits than its factorization.

3609890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360996.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 3609890 is about 1899.9710524111. The cubic root of 3609890 is about 153.4021063054.

The spelling of 3609890 in words is "three million, six hundred nine thousand, eight hundred ninety".