690429622 has 16 divisors (see below), whose sum is σ = 1091575440. Its totient is φ = 327020512.

The previous prime is 690429611. The next prime is 690429673. The reversal of 690429622 is 226924096.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109228 + ... + 115375.

It is an arithmetic number, because the mean of its divisors is an integer number (68223465).

Almost surely, 2^690429622 is an apocalyptic number.

690429622 is a deficient number, since it is larger than the sum of its proper divisors (401145818).

690429622 is a wasteful number, since it uses less digits than its factorization.

690429622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224687.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 690429622 is about 26276.0275155892. The cubic root of 690429622 is about 883.8389541328.

The spelling of 690429622 in words is "six hundred ninety million, four hundred twenty-nine thousand, six hundred twenty-two".