682987933 has 4 divisors (see below), whose sum is σ = 689032188. Its totient is φ = 676943680.

The previous prime is 682987931. The next prime is 682987951. The reversal of 682987933 is 339789286.

It is a happy number.

682987933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 339789286 = 2 ⋅169894643.

It can be written as a sum of positive squares in 2 ways, for example, as 207878724 + 475109209 = 14418^2 + 21797^2 .

It is a cyclic number.

It is not a de Polignac number, because 682987933 - 2¹ = 682987931 is a prime.

It is a super-2 number, since 2×682987933² = 932945033247224978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682987931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3021958 + ... + 3022183.

It is an arithmetic number, because the mean of its divisors is an integer number (172258047).

Almost surely, 2^682987933 is an apocalyptic number.

It is an amenable number.

682987933 is a deficient number, since it is larger than the sum of its proper divisors (6044255).

682987933 is a wasteful number, since it uses less digits than its factorization.

682987933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044254.

The product of its digits is 3919104, while the sum is 55.

The square root of 682987933 is about 26134.0378242628. The cubic root of 682987933 is about 880.6520361243.

The spelling of 682987933 in words is "six hundred eighty-two million, nine hundred eighty-seven thousand, nine hundred thirty-three".