2866490 has 48 divisors (see below), whose sum is σ = 5975424. Its totient is φ = 987360.

The previous prime is 2866469. The next prime is 2866499. The reversal of 2866490 is 946682.

It is a self number, because there is not a number n which added to its sum of digits gives 2866490.

It is not an unprimeable number, because it can be changed into a prime (2866499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27779 + ... + 27881.

It is an arithmetic number, because the mean of its divisors is an integer number (124488).

2^2866490 is an apocalyptic number.

2866490 is an abundant number, since it is smaller than the sum of its proper divisors (3108934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2866490 is a wasteful number, since it uses less digits than its factorization.

2866490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2866490 is about 1693.0711739322. The cubic root of 2866490 is about 142.0529129000.

It can be divided in two parts, 286 and 6490, that added together give a palindrome (6776).

The spelling of 2866490 in words is "two million, eight hundred sixty-six thousand, four hundred ninety".