690852041 has 12 divisors (see below), whose sum is σ = 760032756. Its totient is φ = 627496320.

The previous prime is 690852017. The next prime is 690852047. The reversal of 690852041 is 140258096.

It can be written as a sum of positive squares in 2 ways, for example, as 270438025 + 420414016 = 16445^2 + 20504^2 .

It is not a de Polignac number, because 690852041 - 2⁶ = 690851977 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 690851992 and 690852010.

It is not an unprimeable number, because it can be changed into a prime (690852047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210485 + ... + 213741.

It is an arithmetic number, because the mean of its divisors is an integer number (63336063).

Almost surely, 2^690852041 is an apocalyptic number.

It is an amenable number.

690852041 is a deficient number, since it is larger than the sum of its proper divisors (69180715).

690852041 is a wasteful number, since it uses less digits than its factorization.

690852041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032 (or 5021 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 690852041 is about 26284.0643927076. The cubic root of 690852041 is about 884.0191676502.

The spelling of 690852041 in words is "six hundred ninety million, eight hundred fifty-two thousand, forty-one".