696947328 has 448 divisors, whose sum is σ = 2622150720. Its totient is φ = 179159040.

The previous prime is 696947327. The next prime is 696947347. The reversal of 696947328 is 823749696.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (696947323) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 7184976 + ... + 7185072.

It is an arithmetic number, because the mean of its divisors is an integer number (5853015).

Almost surely, 2^696947328 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 696947328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1311075360).

696947328 is an abundant number, since it is smaller than the sum of its proper divisors (1925203392).

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

696947328 is an equidigital number, since it uses as much as digits as its factorization.

696947328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 120 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 696947328 is about 26399.7599989091. The cubic root of 696947328 is about 886.6114163348.

The spelling of 696947328 in words is "six hundred ninety-six million, nine hundred forty-seven thousand, three hundred twenty-eight".