630942 has 16 divisors (see below), whose sum is σ = 1359120. Its totient is φ = 194112.

The previous prime is 630941. The next prime is 630967. The reversal of 630942 is 249036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3967 + ... + 4122.

It is an arithmetic number, because the mean of its divisors is an integer number (84945).

2⁶³⁰⁹⁴² is an apocalyptic number.

630942 is an abundant number, since it is smaller than the sum of its proper divisors (728178).

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

630942 is a wasteful number, since it uses less digits than its factorization.

630942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8107.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 630942 is about 794.3185758875. The cubic root of 630942 is about 85.7688945662.

Adding to 630942 its reverse (249036), we get a palindrome (879978).

The spelling of 630942 in words is "six hundred thirty thousand, nine hundred forty-two".