695338128 has 80 divisors (see below), whose sum is σ = 2029780800. Its totient is φ = 227842560.

The previous prime is 695338121. The next prime is 695338129. The reversal of 695338128 is 821833596.

It is a happy number.

It is a super-2 number, since 2×695338128² = 966990224501088768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (695338121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11848 + ... + 39128.

It is an arithmetic number, because the mean of its divisors is an integer number (25372260).

Almost surely, 2^695338128 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 695338128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1014890400).

695338128 is an abundant number, since it is smaller than the sum of its proper divisors (1334442672).

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

695338128 is a wasteful number, since it uses less digits than its factorization.

695338128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27357 (or 27345 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 695338128 is about 26369.2648361686. The cubic root of 695338128 is about 885.9285170109.

The spelling of 695338128 in words is "six hundred ninety-five million, three hundred thirty-eight thousand, one hundred twenty-eight".