2387290 has 8 divisors (see below), whose sum is σ = 4297140. Its totient is φ = 954912.

The previous prime is 2387269. The next prime is 2387291. The reversal of 2387290 is 927832.

2387290 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 2368521 + 18769 = 1539^2 + 137^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2387291) by changing a digit.

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, 119355 + ... + 119374.

2^2387290 is an apocalyptic number.

2387290 is a deficient number, since it is larger than the sum of its proper divisors (1909850).

2387290 is a wasteful number, since it uses less digits than its factorization.

2387290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238736.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2387290 is about 1545.0857581377. The cubic root of 2387290 is about 133.6498245443.

The spelling of 2387290 in words is "two million, three hundred eighty-seven thousand, two hundred ninety".