2388290 has 8 divisors (see below), whose sum is σ = 4298940. Its totient is φ = 955312.

The previous prime is 2388283. The next prime is 2388293. The reversal of 2388290 is 928832.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2362369 + 25921 = 1537^2 + 161^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2388293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119405 + ... + 119424.

2^2388290 is an apocalyptic number.

2388290 is a deficient number, since it is larger than the sum of its proper divisors (1910650).

2388290 is a wasteful number, since it uses less digits than its factorization.

2388290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238836.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2388290 is about 1545.4093308894. The cubic root of 2388290 is about 133.6684832421.

The spelling of 2388290 in words is "two million, three hundred eighty-eight thousand, two hundred ninety".