690960213 has 40 divisors (see below), whose sum is σ = 1102881120. Its totient is φ = 429818400.

The previous prime is 690960191. The next prime is 690960217. The reversal of 690960213 is 312069096.

It is not a de Polignac number, because 690960213 - 2⁸ = 690959957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690960217) 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 39 ways as a sum of consecutive naturals, for example, 99763 + ... + 106463.

It is an arithmetic number, because the mean of its divisors is an integer number (27572028).

Almost surely, 2^690960213 is an apocalyptic number.

It is an amenable number.

690960213 is a deficient number, since it is larger than the sum of its proper divisors (411920907).

690960213 is a wasteful number, since it uses less digits than its factorization.

690960213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6799 (or 6790 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 690960213 is about 26286.1220608898. The cubic root of 690960213 is about 884.0653044615.

The spelling of 690960213 in words is "six hundred ninety million, nine hundred sixty thousand, two hundred thirteen".