690900083 has 6 divisors (see below), whose sum is σ = 694813644. Its totient is φ = 687008444.

The previous prime is 690900073. The next prime is 690900101. The reversal of 690900083 is 380009096.

690900083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 690900083 - 2⁸ = 690899827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (690900053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21260 + ... + 42822.

It is an arithmetic number, because the mean of its divisors is an integer number (115802274).

Almost surely, 2^690900083 is an apocalyptic number.

690900083 is a deficient number, since it is larger than the sum of its proper divisors (3913561).

690900083 is an equidigital number, since it uses as much as digits as its factorization.

690900083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21921 (or 21742 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 690900083 is about 26284.9782765746. The cubic root of 690900083 is about 884.0396588031.

The spelling of 690900083 in words is "six hundred ninety million, nine hundred thousand, eighty-three".