2390866 has 8 divisors (see below), whose sum is σ = 3683340. Its totient is φ = 1163088.

The previous prime is 2390849. The next prime is 2390879. The reversal of 2390866 is 6680932.

It is a happy number.

2390866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1879641 + 511225 = 1371^2 + 715^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16081 + ... + 16228.

2^2390866 is an apocalyptic number.

2390866 is a deficient number, since it is larger than the sum of its proper divisors (1292474).

2390866 is a wasteful number, since it uses less digits than its factorization.

2390866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32348.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2390866 is about 1546.2425424234. The cubic root of 2390866 is about 133.7165240703.

The spelling of 2390866 in words is "two million, three hundred ninety thousand, eight hundred sixty-six".