2361906 has 32 divisors (see below), whose sum is σ = 5299200. Its totient is φ = 779760.

The previous prime is 2361899. The next prime is 2361911. The reversal of 2361906 is 6091632.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2361906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10200 + ... + 10428.

It is an arithmetic number, because the mean of its divisors is an integer number (165600).

2^2361906 is an apocalyptic number.

2361906 is an abundant number, since it is smaller than the sum of its proper divisors (2937294).

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

2361906 is a wasteful number, since it uses less digits than its factorization.

2361906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 425 counting only the distinct ones).

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

The square root of 2361906 is about 1536.8493745322. The cubic root of 2361906 is about 133.1744371040.

2361906 divided by its sum of digits (27) gives a palindrome (87478).

It can be divided in two parts, 236190 and 6, that added together give a square (236196 = 486²).

The spelling of 2361906 in words is "two million, three hundred sixty-one thousand, nine hundred six".