1085380417 has 4 divisors (see below), whose sum is σ = 1184051376. Its totient is φ = 986709460.

The previous prime is 1085380411. The next prime is 1085380423. The reversal of 1085380417 is 7140835801.

1085380417 = 5719² + 5720² + ... + 5751².

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7140835801 = 11 ⋅649166891.

It is an interprime number because it is at equal distance from previous prime (1085380411) and next prime (1085380423).

It is a de Polignac number, because none of the positive numbers 2^k-1085380417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085380411) 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, 49335463 + ... + 49335484.

It is an arithmetic number, because the mean of its divisors is an integer number (296012844).

Almost surely, 2^1085380417 is an apocalyptic number.

It is an amenable number.

1085380417 is a deficient number, since it is larger than the sum of its proper divisors (98670959).

1085380417 is an equidigital number, since it uses as much as digits as its factorization.

1085380417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98670958.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1085380417 is about 32945.1121867873. The cubic root of 1085380417 is about 1027.6865212347.

The spelling of 1085380417 in words is "one billion, eighty-five million, three hundred eighty thousand, four hundred seventeen".