1026290 has 16 divisors (see below), whose sum is σ = 1956312. Its totient is φ = 386304.

The previous prime is 1026257. The next prime is 1026293. The reversal of 1026290 is 926201.

It can be written as a sum of positive squares in 4 ways, for example, as 808201 + 218089 = 899^2 + 467^2 .

It is not an unprimeable number, because it can be changed into a prime (1026293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2849 + ... + 3188.

2^1026290 is an apocalyptic number.

1026290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1026290 is a deficient number, since it is larger than the sum of its proper divisors (930022).

1026290 is a wasteful number, since it uses less digits than its factorization.

1026290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1026290 is about 1013.0597218328. The cubic root of 1026290 is about 100.8687639683.

The spelling of 1026290 in words is "one million, twenty-six thousand, two hundred ninety".