690486 has 16 divisors (see below), whose sum is σ = 1391664. Its totient is φ = 228384.

The previous prime is 690467. The next prime is 690491. The reversal of 690486 is 684096.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576 + ... + 1308.

It is an arithmetic number, because the mean of its divisors is an integer number (86979).

2⁶⁹⁰⁴⁸⁶ is an apocalyptic number.

690486 is an abundant number, since it is smaller than the sum of its proper divisors (701178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690486 is a wasteful number, since it uses less digits than its factorization.

690486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 690486 is about 830.9548724209. The cubic root of 690486 is about 88.3863010515.

It can be divided in two parts, 690 and 486, that added together give a triangular number (1176 = T₄₈).

The spelling of 690486 in words is "six hundred ninety thousand, four hundred eighty-six".