690934 has 8 divisors (see below), whose sum is σ = 1049760. Its totient is φ = 341016.

The previous prime is 690929. The next prime is 690953. The reversal of 690934 is 439096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 690896 and 690905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2029 + ... + 2344.

It is an arithmetic number, because the mean of its divisors is an integer number (131220).

2⁶⁹⁰⁹³⁴ is an apocalyptic number.

690934 is a deficient number, since it is larger than the sum of its proper divisors (358826).

690934 is a wasteful number, since it uses less digits than its factorization.

690934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 690934 is about 831.2243981020. The cubic root of 690934 is about 88.4054124707.

The spelling of 690934 in words is "six hundred ninety thousand, nine hundred thirty-four".