697189248 has 384 divisors, whose sum is σ = 2511648000. Its totient is φ = 189471744.

The previous prime is 697189237. The next prime is 697189289. The reversal of 697189248 is 842981796.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 697189194 and 697189203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3894823 + ... + 3895001.

It is an arithmetic number, because the mean of its divisors is an integer number (6540750).

Almost surely, 2^697189248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697189248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1255824000).

697189248 is an abundant number, since it is smaller than the sum of its proper divisors (1814458752).

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

697189248 is a wasteful number, since it uses less digits than its factorization.

697189248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 214 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 697189248 is about 26404.3414612067. The cubic root of 697189248 is about 886.7139894718.

The spelling of 697189248 in words is "six hundred ninety-seven million, one hundred eighty-nine thousand, two hundred forty-eight".