2818490 has 8 divisors (see below), whose sum is σ = 5073300. Its totient is φ = 1127392.

The previous prime is 2818471. The next prime is 2818499. The reversal of 2818490 is 948182.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2778889 + 39601 = 1667^2 + 199^2 .

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 (2818499) 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, 140915 + ... + 140934.

2^2818490 is an apocalyptic number.

2818490 is a deficient number, since it is larger than the sum of its proper divisors (2254810).

2818490 is a wasteful number, since it uses less digits than its factorization.

2818490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281856.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2818490 is about 1678.8359062160. The cubic root of 2818490 is about 141.2555431557.

The spelling of 2818490 in words is "two million, eight hundred eighteen thousand, four hundred ninety".