699983604 has 72 divisors (see below), whose sum is σ = 1805836032. Its totient is φ = 228567360.

The previous prime is 699983593. The next prime is 699983623. The reversal of 699983604 is 406389996.

It is a happy number.

It is a super-3 number, since 3×699983604³ (a number of 28 digits) contains 333 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 (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 441397 + ... + 442979.

It is an arithmetic number, because the mean of its divisors is an integer number (25081056).

Almost surely, 2^699983604 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 699983604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902918016).

699983604 is an abundant number, since it is smaller than the sum of its proper divisors (1105852428).

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

699983604 is a wasteful number, since it uses less digits than its factorization.

699983604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 699983604 is about 26457.2032535565. The cubic root of 699983604 is about 887.8970692723.

The spelling of 699983604 in words is "six hundred ninety-nine million, nine hundred eighty-three thousand, six hundred four".