690783384 has 16 divisors (see below), whose sum is σ = 1726958520. Its totient is φ = 230261120.

The previous prime is 690783371. The next prime is 690783391. The reversal of 690783384 is 483387096.

It is a super-2 number, since 2×690783384² = 954363367220982912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14391297 + ... + 14391344.

Almost surely, 2^690783384 is an apocalyptic number.

It is an amenable number.

690783384 is an abundant number, since it is smaller than the sum of its proper divisors (1036175136).

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

690783384 is a wasteful number, since it uses less digits than its factorization.

690783384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28782650 (or 28782646 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 690783384 is about 26282.7583027353. The cubic root of 690783384 is about 883.9898820187.

The spelling of 690783384 in words is "six hundred ninety million, seven hundred eighty-three thousand, three hundred eighty-four".