690324120 has 384 divisors, whose sum is σ = 2515968000. Its totient is φ = 169827840.

The previous prime is 690324113. The next prime is 690324127. The reversal of 690324120 is 21423096.

It is an interprime number because it is at equal distance from previous prime (690324113) and next prime (690324127).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690324127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8738241 + ... + 8738319.

It is an arithmetic number, because the mean of its divisors is an integer number (6552000).

Almost surely, 2^690324120 is an apocalyptic number.

690324120 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 690324120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1257984000).

690324120 is an abundant number, since it is smaller than the sum of its proper divisors (1825643880).

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

690324120 is a wasteful number, since it uses less digits than its factorization.

690324120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 690324120 is about 26274.0198675422. The cubic root of 690324120 is about 883.7939331177.

The spelling of 690324120 in words is "six hundred ninety million, three hundred twenty-four thousand, one hundred twenty".