690060 has 96 divisors (see below), whose sum is σ = 2322432. Its totient is φ = 149760.

The previous prime is 690059. The next prime is 690073. The reversal of 690060 is 60096.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12994 + ... + 13046.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2⁶⁹⁰⁰⁶⁰ is an apocalyptic number.

690060 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 690060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161216).

690060 is an abundant number, since it is smaller than the sum of its proper divisors (1632372).

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

690060 is a wasteful number, since it uses less digits than its factorization.

690060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 690060 is about 830.6985012626. The cubic root of 690060 is about 88.3681204704.

The spelling of 690060 in words is "six hundred ninety thousand, sixty".