2438290 has 8 divisors (see below), whose sum is σ = 4388940. Its totient is φ = 975312.

The previous prime is 2438281. The next prime is 2438309. The reversal of 2438290 is 928342.

It can be written as a sum of positive squares in 2 ways, for example, as 2064969 + 373321 = 1437^2 + 611^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121905 + ... + 121924.

2^2438290 is an apocalyptic number.

2438290 is a deficient number, since it is larger than the sum of its proper divisors (1950650).

2438290 is a wasteful number, since it uses less digits than its factorization.

2438290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243836.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2438290 is about 1561.5024815862. The cubic root of 2438290 is about 134.5948530068.

The spelling of 2438290 in words is "two million, four hundred thirty-eight thousand, two hundred ninety".