697199028 has 48 divisors (see below), whose sum is σ = 1645662144. Its totient is φ = 229720320.

The previous prime is 697199017. The next prime is 697199057. The reversal of 697199028 is 820991796.

It is a happy number.

697199028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454623 + ... + 456153.

It is an arithmetic number, because the mean of its divisors is an integer number (34284628).

Almost surely, 2^697199028 is an apocalyptic number.

It is an amenable number.

697199028 is an abundant number, since it is smaller than the sum of its proper divisors (948463116).

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

697199028 is a wasteful number, since it uses less digits than its factorization.

697199028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952 (or 1950 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 697199028 is about 26404.5266573745. The cubic root of 697199028 is about 886.7181356546.

The spelling of 697199028 in words is "six hundred ninety-seven million, one hundred ninety-nine thousand, twenty-eight".