690339 has 16 divisors (see below), whose sum is σ = 1025024. Its totient is φ = 410400.

The previous prime is 690323. The next prime is 690341. The reversal of 690339 is 933096.

It is not a de Polignac number, because 690339 - 2⁴ = 690323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924 + ... + 1494.

It is an arithmetic number, because the mean of its divisors is an integer number (64064).

2⁶⁹⁰³³⁹ is an apocalyptic number.

690339 is a deficient number, since it is larger than the sum of its proper divisors (334685).

690339 is a wasteful number, since it uses less digits than its factorization.

690339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 690339 is about 830.8664152558. The cubic root of 690339 is about 88.3800283159.

The spelling of 690339 in words is "six hundred ninety thousand, three hundred thirty-nine".