699846 has 32 divisors (see below), whose sum is σ = 1685760. Its totient is φ = 189216.

The previous prime is 699823. The next prime is 699863. The reversal of 699846 is 648996.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 699798 and 699807.

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 15 ways as a sum of consecutive naturals, for example, 360 + ... + 1236.

It is an arithmetic number, because the mean of its divisors is an integer number (52680).

2⁶⁹⁹⁸⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842880).

699846 is an abundant number, since it is smaller than the sum of its proper divisors (985914).

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

699846 is a wasteful number, since it uses less digits than its factorization.

699846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908.

The product of its digits is 93312, while the sum is 42.

The square root of 699846 is about 836.5679888688. The cubic root of 699846 is about 88.7838884007.

It can be divided in two parts, 69984 and 6, that multiplied together give a square (419904 = 648²).

The spelling of 699846 in words is "six hundred ninety-nine thousand, eight hundred forty-six".