690360 has 64 divisors (see below), whose sum is σ = 2263680. Its totient is φ = 167040.

The previous prime is 690341. The next prime is 690367. The reversal of 690360 is 63096.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 690360.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690367) 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, 1059 + ... + 1581.

It is an arithmetic number, because the mean of its divisors is an integer number (35370).

2⁶⁹⁰³⁶⁰ is an apocalyptic number.

690360 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 690360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131840).

690360 is an abundant number, since it is smaller than the sum of its proper divisors (1573320).

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

690360 is a wasteful number, since it uses less digits than its factorization.

690360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 690360 is about 830.8790525702. The cubic root of 690360 is about 88.3809244755.

Subtracting from 690360 its reverse (63096), we obtain a square (627264 = 792²).

The spelling of 690360 in words is "six hundred ninety thousand, three hundred sixty".