690482 has 8 divisors (see below), whose sum is σ = 1115436. Its totient is φ = 318672.

The previous prime is 690467. The next prime is 690491. The reversal of 690482 is 284096.

It can be written as a sum of positive squares in 2 ways, for example, as 657721 + 32761 = 811^2 + 181^2 .

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

It is an unprimeable number.

690482 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13253 + ... + 13304.

2⁶⁹⁰⁴⁸² is an apocalyptic number.

690482 is a deficient number, since it is larger than the sum of its proper divisors (424954).

690482 is a wasteful number, since it uses less digits than its factorization.

690482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26572.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 690482 is about 830.9524655478. The cubic root of 690482 is about 88.3861303766.

The spelling of 690482 in words is "six hundred ninety thousand, four hundred eighty-two".