690306086 has 8 divisors (see below), whose sum is σ = 1036057080. Its totient is φ = 344953728.

The previous prime is 690306083. The next prime is 690306101. The reversal of 690306086 is 680603096.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690306083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95291 + ... + 102278.

It is an arithmetic number, because the mean of its divisors is an integer number (129507135).

Almost surely, 2^690306086 is an apocalyptic number.

690306086 is a deficient number, since it is larger than the sum of its proper divisors (345750994).

690306086 is a wasteful number, since it uses less digits than its factorization.

690306086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199318.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 690306086 is about 26273.6766745730. The cubic root of 690306086 is about 883.7862369848.

The spelling of 690306086 in words is "six hundred ninety million, three hundred six thousand, eighty-six".