1090593 has 18 divisors (see below), whose sum is σ = 1833234. Its totient is φ = 622944.

The previous prime is 1090589. The next prime is 1090597. The reversal of 1090593 is 3950901.

It is an interprime number because it is at equal distance from previous prime (1090589) and next prime (1090597).

It can be written as a sum of positive squares in only one way, i.e., 1016064 + 74529 = 1008^2 + 273^2 .

It is not a de Polignac number, because 1090593 - 2² = 1090589 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1090597) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 796 + ... + 1677.

2^1090593 is an apocalyptic number.

It is an amenable number.

1090593 is a deficient number, since it is larger than the sum of its proper divisors (742641).

1090593 is a wasteful number, since it uses less digits than its factorization.

1090593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 1090593 is about 1044.3146077691. The cubic root of 1090593 is about 102.9329063160.

The spelling of 1090593 in words is "one million, ninety thousand, five hundred ninety-three".