690076452 has 96 divisors (see below), whose sum is σ = 1830608640. Its totient is φ = 200724480.

The previous prime is 690076451. The next prime is 690076459. The reversal of 690076452 is 254670096.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 690076452.

It is not an unprimeable number, because it can be changed into a prime (690076451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318252 + ... + 320412.

It is an arithmetic number, because the mean of its divisors is an integer number (19068840).

Almost surely, 2^690076452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690076452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915304320).

690076452 is an abundant number, since it is smaller than the sum of its proper divisors (1140532188).

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

690076452 is a wasteful number, since it uses less digits than its factorization.

690076452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 690076452 is about 26269.3062717690. The cubic root of 690076452 is about 883.6882273816.

The spelling of 690076452 in words is "six hundred ninety million, seventy-six thousand, four hundred fifty-two".