1090477 has 4 divisors (see below), whose sum is σ = 1117116. Its totient is φ = 1063840.

The previous prime is 1090471. The next prime is 1090483. The reversal of 1090477 is 7740901.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1090471) and next prime (1090483).

It can be written as a sum of positive squares in 2 ways, for example, as 491401 + 599076 = 701^2 + 774^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090477 - 2³ = 1090469 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 (1090471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13258 + ... + 13339.

It is an arithmetic number, because the mean of its divisors is an integer number (279279).

2^1090477 is an apocalyptic number.

It is an amenable number.

1090477 is a deficient number, since it is larger than the sum of its proper divisors (26639).

1090477 is an equidigital number, since it uses as much as digits as its factorization.

1090477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26638.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 1090477 is about 1044.2590674732. The cubic root of 1090477 is about 102.9292567295.

The spelling of 1090477 in words is "one million, ninety thousand, four hundred seventy-seven".