690585360 has 160 divisors (see below), whose sum is σ = 2186526720. Its totient is φ = 180278784.

The previous prime is 690585341. The next prime is 690585361. The reversal of 690585360 is 63585096.

It is not an unprimeable number, because it can be changed into a prime (690585361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4236639 + ... + 4236801.

It is an arithmetic number, because the mean of its divisors is an integer number (13665792).

Almost surely, 2^690585360 is an apocalyptic number.

690585360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690585360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093263360).

690585360 is an abundant number, since it is smaller than the sum of its proper divisors (1495941360).

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

690585360 is a wasteful number, since it uses less digits than its factorization.

690585360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 690585360 is about 26278.9908482042. The cubic root of 690585360 is about 883.9054040448.

The spelling of 690585360 in words is "six hundred ninety million, five hundred eighty-five thousand, three hundred sixty".