1024890 has 32 divisors (see below), whose sum is σ = 2488320. Its totient is φ = 270144.

The previous prime is 1024883. The next prime is 1024901. The reversal of 1024890 is 984201.

It is a self number, because there is not a number n which added to its sum of digits gives 1024890.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3676 + ... + 3944.

It is an arithmetic number, because the mean of its divisors is an integer number (77760).

2^1024890 is an apocalyptic number.

1024890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1024890 is an abundant number, since it is smaller than the sum of its proper divisors (1463430).

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

1024890 is a wasteful number, since it uses less digits than its factorization.

1024890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1024890 is about 1012.3685099804. The cubic root of 1024890 is about 100.8228768308.

The spelling of 1024890 in words is "one million, twenty-four thousand, eight hundred ninety".