1996630 has 16 divisors (see below), whose sum is σ = 3750624. Its totient is φ = 763840.

The previous prime is 1996613. The next prime is 1996639. The reversal of 1996630 is 366991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996639) 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, 4111 + ... + 4570.

It is an arithmetic number, because the mean of its divisors is an integer number (234414).

2^1996630 is an apocalyptic number.

1996630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1996630 is a deficient number, since it is larger than the sum of its proper divisors (1753994).

1996630 is a wasteful number, since it uses less digits than its factorization.

1996630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8711.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 1996630 is about 1413.0215851147. The cubic root of 1996630 is about 125.9212996399.

The spelling of 1996630 in words is "one million, nine hundred ninety-six thousand, six hundred thirty".