695450646 has 72 divisors (see below), whose sum is σ = 1668139200. Its totient is φ = 209230560.

The previous prime is 695450627. The next prime is 695450647. The reversal of 695450646 is 646054596.

695450646 is a `hidden beast` number, since 69 + 545 + 0 + 6 + 46 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695450647) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 323451 + ... + 325593.

It is an arithmetic number, because the mean of its divisors is an integer number (23168600).

Almost surely, 2^695450646 is an apocalyptic number.

695450646 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 695450646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834069600).

695450646 is an abundant number, since it is smaller than the sum of its proper divisors (972688554).

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

695450646 is a wasteful number, since it uses less digits than its factorization.

695450646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 695450646 is about 26371.3982564444. The cubic root of 695450646 is about 885.9763007315.

It can be divided in two parts, 6954 and 50646, that added together give a square (57600 = 240²).

The spelling of 695450646 in words is "six hundred ninety-five million, four hundred fifty thousand, six hundred forty-six".