1090353897 has 6 divisors (see below), whose sum is σ = 1574955642. Its totient is φ = 726902592.

The previous prime is 1090353857. The next prime is 1090353899. The reversal of 1090353897 is 7983530901.

It is a happy number.

1090353897 is a `hidden beast` number, since 109 + 0 + 3 + 538 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 842102361 + 248251536 = 29019^2 + 15756^2 .

It is not a de Polignac number, because 1090353897 - 2¹¹ = 1090351849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1090353899) 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, 60575208 + ... + 60575225.

It is an arithmetic number, because the mean of its divisors is an integer number (262492607).

Almost surely, 2^1090353897 is an apocalyptic number.

It is an amenable number.

1090353897 is a deficient number, since it is larger than the sum of its proper divisors (484601745).

1090353897 is a wasteful number, since it uses less digits than its factorization.

1090353897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121150439 (or 121150436 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 1090353897 is about 33020.5072189995. The cubic root of 1090353897 is about 1029.2538338565.

The spelling of 1090353897 in words is "one billion, ninety million, three hundred fifty-three thousand, eight hundred ninety-seven".