690271436 has 12 divisors (see below), whose sum is σ = 1208213328. Its totient is φ = 345067632.

The previous prime is 690271433. The next prime is 690271441. The reversal of 690271436 is 634172096.

It is a self number, because there is not a number n which added to its sum of digits gives 690271436.

It is not an unprimeable number, because it can be changed into a prime (690271433) 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 3 ways as a sum of consecutive naturals, for example, 10865 + ... + 38711.

It is an arithmetic number, because the mean of its divisors is an integer number (100684444).

Almost surely, 2^690271436 is an apocalyptic number.

It is an amenable number.

690271436 is a deficient number, since it is larger than the sum of its proper divisors (517941892).

690271436 is a wasteful number, since it uses less digits than its factorization.

690271436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34048 (or 34046 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 690271436 is about 26273.0172610608. The cubic root of 690271436 is about 883.7714494840.

The spelling of 690271436 in words is "six hundred ninety million, two hundred seventy-one thousand, four hundred thirty-six".