1026493 has 6 divisors (see below), whose sum is σ = 1109402. Its totient is φ = 944160.

The previous prime is 1026481. The next prime is 1026521. The reversal of 1026493 is 3946201.

It can be written as a sum of positive squares in 3 ways, for example, as 139129 + 887364 = 373^2 + 942^2 .

It is not a de Polignac number, because 1026493 - 2¹³ = 1018301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3513 + ... + 3793.

2^1026493 is an apocalyptic number.

1026493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1026493 is a deficient number, since it is larger than the sum of its proper divisors (82909).

1026493 is an frugal number, since it uses more digits than its factorization.

1026493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1026493 is about 1013.1599084054. The cubic root of 1026493 is about 100.8754141384.

The spelling of 1026493 in words is "one million, twenty-six thousand, four hundred ninety-three".