699552 has 72 divisors (see below), whose sum is σ = 2280096. Its totient is φ = 199296.

The previous prime is 699541. The next prime is 699557. The reversal of 699552 is 255996.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (699557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1843 + ... + 2189.

It is an arithmetic number, because the mean of its divisors is an integer number (31668).

2⁶⁹⁹⁵⁵² 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 699552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140048).

699552 is an abundant number, since it is smaller than the sum of its proper divisors (1580544).

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

699552 is a wasteful number, since it uses less digits than its factorization.

699552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 359 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 699552 is about 836.3922524749. The cubic root of 699552 is about 88.7714541798.

Subtracting from 699552 its reverse (255996), we obtain a square (443556 = 666²).

The spelling of 699552 in words is "six hundred ninety-nine thousand, five hundred fifty-two".