3609879 has 24 divisors (see below), whose sum is σ = 6032880. Its totient is φ = 1903104.

The previous prime is 3609877. The next prime is 3609887. The reversal of 3609879 is 9789063.

It is a happy number.

It is not a de Polignac number, because 3609879 - 2¹ = 3609877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3609879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3609871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 967 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (251370).

Almost surely, 2^3609879 is an apocalyptic number.

3609879 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3609879 is a deficient number, since it is larger than the sum of its proper divisors (2423001).

3609879 is a wasteful number, since it uses less digits than its factorization.

3609879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 3609879 is about 1899.9681576279. The cubic root of 3609879 is about 153.4019504905.

The spelling of 3609879 in words is "three million, six hundred nine thousand, eight hundred seventy-nine".