690814294 has 8 divisors (see below), whose sum is σ = 1036671480. Its totient is φ = 345257136.

The previous prime is 690814283. The next prime is 690814297. The reversal of 690814294 is 492418096.

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

It is a self number, because there is not a number n which added to its sum of digits gives 690814294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690814297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69159 + ... + 78514.

It is an arithmetic number, because the mean of its divisors is an integer number (129583935).

Almost surely, 2^690814294 is an apocalyptic number.

690814294 is a deficient number, since it is larger than the sum of its proper divisors (345857186).

690814294 is a wasteful number, since it uses less digits than its factorization.

690814294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150014.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 690814294 is about 26283.3463242411. The cubic root of 690814294 is about 884.0030669140.

The spelling of 690814294 in words is "six hundred ninety million, eight hundred fourteen thousand, two hundred ninety-four".