2361609 has 16 divisors (see below), whose sum is σ = 3575040. Its totient is φ = 1540080.

The previous prime is 2361607. The next prime is 2361629. The reversal of 2361609 is 9061632.

It is a happy number.

It is not a de Polignac number, because 2361609 - 2¹ = 2361607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2361607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

2^2361609 is an apocalyptic number.

It is an amenable number.

2361609 is a deficient number, since it is larger than the sum of its proper divisors (1213431).

2361609 is a wasteful number, since it uses less digits than its factorization.

2361609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2361609 is about 1536.7527452391. The cubic root of 2361609 is about 133.1688548235.

The spelling of 2361609 in words is "two million, three hundred sixty-one thousand, six hundred nine".