690739412 has 24 divisors (see below), whose sum is σ = 1319449152. Its totient is φ = 313790400.

The previous prime is 690739409. The next prime is 690739453. The reversal of 690739412 is 214937096.

690739412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 690739412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98288 + ... + 105080.

It is an arithmetic number, because the mean of its divisors is an integer number (54977048).

Almost surely, 2^690739412 is an apocalyptic number.

It is an amenable number.

690739412 is a deficient number, since it is larger than the sum of its proper divisors (628709740).

690739412 is a wasteful number, since it uses less digits than its factorization.

690739412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9119 (or 9117 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 690739412 is about 26281.9217714383. The cubic root of 690739412 is about 883.9711247504.

The spelling of 690739412 in words is "six hundred ninety million, seven hundred thirty-nine thousand, four hundred twelve".