690005300 has 18 divisors (see below), whose sum is σ = 1497311718. Its totient is φ = 276002080.

The previous prime is 690005279. The next prime is 690005353. The reversal of 690005300 is 3500096.

It can be written as a sum of positive squares in 3 ways, for example, as 28281124 + 661724176 = 5318^2 + 25724^2 .

It is a super-2 number, since 2×690005300² = 952214628056180000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3449927 + ... + 3450126.

Almost surely, 2^690005300 is an apocalyptic number.

It is an amenable number.

690005300 is an abundant number, since it is smaller than the sum of its proper divisors (807306418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690005300 is a wasteful number, since it uses less digits than its factorization.

690005300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900067 (or 6900060 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 690005300 is about 26267.9519567095. The cubic root of 690005300 is about 883.6578547344.

Adding to 690005300 its reverse (3500096), we get a palindrome (693505396).

The spelling of 690005300 in words is "six hundred ninety million, five thousand, three hundred".