2569490 has 64 divisors (see below), whose sum is σ = 5971968. Its totient is φ = 772800.

The previous prime is 2569481. The next prime is 2569513. The reversal of 2569490 is 949652.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

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

It is a self number, because there is not a number n which added to its sum of digits gives 2569490.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36155 + ... + 36225.

It is an arithmetic number, because the mean of its divisors is an integer number (93312).

2^2569490 is an apocalyptic number.

2569490 is an abundant number, since it is smaller than the sum of its proper divisors (3402478).

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

2569490 is a wasteful number, since it uses less digits than its factorization.

2569490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2569490 is about 1602.9628816663. The cubic root of 2569490 is about 136.9669055338.

The spelling of 2569490 in words is "two million, five hundred sixty-nine thousand, four hundred ninety".