690716229 has 32 divisors (see below), whose sum is σ = 1098558720. Its totient is φ = 377674752.

The previous prime is 690716227. The next prime is 690716261. The reversal of 690716229 is 922617096.

It is not a de Polignac number, because 690716229 - 2¹ = 690716227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690716227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63799 + ... + 73835.

It is an arithmetic number, because the mean of its divisors is an integer number (34329960).

Almost surely, 2^690716229 is an apocalyptic number.

It is an amenable number.

690716229 is a deficient number, since it is larger than the sum of its proper divisors (407842491).

690716229 is a wasteful number, since it uses less digits than its factorization.

690716229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10189.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 690716229 is about 26281.4807231252. The cubic root of 690716229 is about 883.9612351879.

The spelling of 690716229 in words is "six hundred ninety million, seven hundred sixteen thousand, two hundred twenty-nine".