690050369 has 8 divisors (see below), whose sum is σ = 707427072. Its totient is φ = 672734160.

The previous prime is 690050363. The next prime is 690050399. The reversal of 690050369 is 963050096.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-690050369 is a prime.

It is a super-2 number, since 2×690050369² = 952339023514072322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (690050363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8432 + ... + 38094.

It is an arithmetic number, because the mean of its divisors is an integer number (88428384).

Almost surely, 2^690050369 is an apocalyptic number.

It is an amenable number.

690050369 is a deficient number, since it is larger than the sum of its proper divisors (17376703).

690050369 is a wasteful number, since it uses less digits than its factorization.

690050369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30247.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 690050369 is about 26268.8098131605. The cubic root of 690050369 is about 883.6770935764.

The spelling of 690050369 in words is "six hundred ninety million, fifty thousand, three hundred sixty-nine".