1085698307 has 4 divisors (see below), whose sum is σ = 1086096000. Its totient is φ = 1085300616.

The previous prime is 1085698303. The next prime is 1085698321. The reversal of 1085698307 is 7038965801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7038965801 = 7 ⋅1005566543.

It is a cyclic number.

It is not a de Polignac number, because 1085698307 - 2² = 1085698303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085698301) 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, 194723 + ... + 200220.

It is an arithmetic number, because the mean of its divisors is an integer number (271524000).

Almost surely, 2^1085698307 is an apocalyptic number.

1085698307 is a deficient number, since it is larger than the sum of its proper divisors (397693).

1085698307 is an equidigital number, since it uses as much as digits as its factorization.

1085698307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397692.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 1085698307 is about 32949.9363732314. The cubic root of 1085698307 is about 1027.7868422448.

The spelling of 1085698307 in words is "one billion, eighty-five million, six hundred ninety-eight thousand, three hundred seven".