690140314 has 8 divisors (see below), whose sum is σ = 1035479988. Its totient is φ = 344980320.

The previous prime is 690140309. The next prime is 690140329. The reversal of 690140314 is 413041096.

It can be written as a sum of positive squares in 2 ways, for example, as 635897089 + 54243225 = 25217^2 + 7365^2 .

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

It is an unprimeable number.

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, 34867 + ... + 50950.

Almost surely, 2^690140314 is an apocalyptic number.

690140314 is a deficient number, since it is larger than the sum of its proper divisors (345339674).

690140314 is a wasteful number, since it uses less digits than its factorization.

690140314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89840.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 690140314 is about 26270.5217687049. The cubic root of 690140314 is about 883.7154863694.

The spelling of 690140314 in words is "six hundred ninety million, one hundred forty thousand, three hundred fourteen".