1090491395 has 32 divisors (see below), whose sum is σ = 1556375040. Its totient is φ = 717937920.

The previous prime is 1090491383. The next prime is 1090491403. The reversal of 1090491395 is 5931940901.

It is not a de Polignac number, because 1090491395 - 2¹⁰ = 1090490371 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82655 + ... + 94935.

It is an arithmetic number, because the mean of its divisors is an integer number (48636720).

Almost surely, 2^1090491395 is an apocalyptic number.

1090491395 is a deficient number, since it is larger than the sum of its proper divisors (465883645).

1090491395 is a wasteful number, since it uses less digits than its factorization.

1090491395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12395.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 1090491395 is about 33022.5891625717. The cubic root of 1090491395 is about 1029.2970963836.

The spelling of 1090491395 in words is "one billion, ninety million, four hundred ninety-one thousand, three hundred ninety-five".