1630968 has 16 divisors (see below), whose sum is σ = 4077480. Its totient is φ = 543648.

The previous prime is 1630943. The next prime is 1630987. The reversal of 1630968 is 8690361.

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 3 ways as a sum of consecutive naturals, for example, 33955 + ... + 34002.

2^1630968 is an apocalyptic number.

It is an amenable number.

1630968 is an abundant number, since it is smaller than the sum of its proper divisors (2446512).

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

1630968 is a wasteful number, since it uses less digits than its factorization.

1630968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67966 (or 67962 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1630968 is about 1277.0935752716. The cubic root of 1630968 is about 117.7104843491.

The spelling of 1630968 in words is "one million, six hundred thirty thousand, nine hundred sixty-eight".