690000694 has 16 divisors (see below), whose sum is σ = 1103270400. Its totient is φ = 322703784.

The previous prime is 690000677. The next prime is 690000719. The reversal of 690000694 is 496000096.

It is a super-2 number, since 2×690000694² = 952201915440963272, which contains 22 as substring.

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, 111922 + ... + 117925.

It is an arithmetic number, because the mean of its divisors is an integer number (68954400).

Almost surely, 2^690000694 is an apocalyptic number.

690000694 is a deficient number, since it is larger than the sum of its proper divisors (413269706).

690000694 is a wasteful number, since it uses less digits than its factorization.

690000694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229947.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 690000694 is about 26267.8642831883. The cubic root of 690000694 is about 883.6558884997.

The spelling of 690000694 in words is "six hundred ninety million, six hundred ninety-four", and thus it is an aban number.