690283 has 4 divisors (see below), whose sum is σ = 753048. Its totient is φ = 627520.

The previous prime is 690281. The next prime is 690293. The reversal of 690283 is 382096.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 690283 - 2¹ = 690281 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690281) 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, 31366 + ... + 31387.

It is an arithmetic number, because the mean of its divisors is an integer number (188262).

2⁶⁹⁰²⁸³ is an apocalyptic number.

690283 is a deficient number, since it is larger than the sum of its proper divisors (62765).

690283 is a wasteful number, since it uses less digits than its factorization.

690283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62764.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 690283 is about 830.8327148109. The cubic root of 690283 is about 88.3776384681.

The spelling of 690283 in words is "six hundred ninety thousand, two hundred eighty-three".