697956994 has 16 divisors (see below), whose sum is σ = 1224324288. Its totient is φ = 292167792.

The previous prime is 697956989. The next prime is 697956997. The reversal of 697956994 is 499659796.

697956994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (697956997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579097 + ... + 580300.

It is an arithmetic number, because the mean of its divisors is an integer number (76520268).

Almost surely, 2^697956994 is an apocalyptic number.

697956994 is a deficient number, since it is larger than the sum of its proper divisors (526367294).

697956994 is a wasteful number, since it uses less digits than its factorization.

697956994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159449.

The product of its digits is 33067440, while the sum is 64.

The square root of 697956994 is about 26418.8757141556. The cubic root of 697956994 is about 887.0393537276.

The spelling of 697956994 in words is "six hundred ninety-seven million, nine hundred fifty-six thousand, nine hundred ninety-four".