697230438 has 16 divisors (see below), whose sum is σ = 1395802800. Its totient is φ = 232186496.

The previous prime is 697230431. The next prime is 697230467. The reversal of 697230438 is 834032796.

697230438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×697230438² = 972260567347343688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 697230438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697230431) 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, 49095 + ... + 61682.

It is an arithmetic number, because the mean of its divisors is an integer number (87237675).

Almost surely, 2^697230438 is an apocalyptic number.

697230438 is an abundant number, since it is smaller than the sum of its proper divisors (698572362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697230438 is a wasteful number, since it uses less digits than its factorization.

697230438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111831.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 697230438 is about 26405.1214350550. The cubic root of 697230438 is about 886.7314515072.

The spelling of 697230438 in words is "six hundred ninety-seven million, two hundred thirty thousand, four hundred thirty-eight".