690321422 has 8 divisors (see below), whose sum is σ = 1183408176. Its totient is φ = 295852032.

The previous prime is 690321421. The next prime is 690321439. The reversal of 690321422 is 224123096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690321421) 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 3 ways as a sum of consecutive naturals, for example, 24654323 + ... + 24654350.

It is an arithmetic number, because the mean of its divisors is an integer number (147926022).

Almost surely, 2^690321422 is an apocalyptic number.

690321422 is a deficient number, since it is larger than the sum of its proper divisors (493086754).

690321422 is a wasteful number, since it uses less digits than its factorization.

690321422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49308682.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 690321422 is about 26273.9685239973. The cubic root of 690321422 is about 883.7927817363.

The spelling of 690321422 in words is "six hundred ninety million, three hundred twenty-one thousand, four hundred twenty-two".