690697004 has 12 divisors (see below), whose sum is σ = 1211367864. Its totient is φ = 344591904.

The previous prime is 690697001. The next prime is 690697067. The reversal of 690697004 is 400796096.

It is not an unprimeable number, because it can be changed into a prime (690697001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187094 + ... + 190749.

It is an arithmetic number, because the mean of its divisors is an integer number (100947322).

Almost surely, 2^690697004 is an apocalyptic number.

It is an amenable number.

690697004 is a deficient number, since it is larger than the sum of its proper divisors (520670860).

690697004 is a wasteful number, since it uses less digits than its factorization.

690697004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378304 (or 378302 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 690697004 is about 26281.1149687375. The cubic root of 690697004 is about 883.9530338881.

The spelling of 690697004 in words is "six hundred ninety million, six hundred ninety-seven thousand, four".