699942 has 8 divisors (see below), whose sum is σ = 1399896. Its totient is φ = 233312.

The previous prime is 699931. The next prime is 699943. The reversal of 699942 is 249996.

699942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

699942 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 699942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58323 + ... + 58334.

It is an arithmetic number, because the mean of its divisors is an integer number (174987).

2⁶⁹⁹⁹⁴² is an apocalyptic number.

699942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

699942 is a wasteful number, since it uses less digits than its factorization.

699942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116662.

The product of its digits is 34992, while the sum is 39.

The square root of 699942 is about 836.6253641864. The cubic root of 699942 is about 88.7879478002.

It can be divided in two parts, 69994 and 2, that added together give a palindrome (69996).

The spelling of 699942 in words is "six hundred ninety-nine thousand, nine hundred forty-two".