1630966 has 8 divisors (see below), whose sum is σ = 2480184. Its totient is φ = 804240.

The previous prime is 1630943. The next prime is 1630987. The reversal of 1630966 is 6690361.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5440 + ... + 5731.

It is an arithmetic number, because the mean of its divisors is an integer number (310023).

2^1630966 is an apocalyptic number.

1630966 is a deficient number, since it is larger than the sum of its proper divisors (849218).

1630966 is a wasteful number, since it uses less digits than its factorization.

1630966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11246.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 1630966 is about 1277.0927922434. The cubic root of 1630966 is about 117.7104362343.

The spelling of 1630966 in words is "one million, six hundred thirty thousand, nine hundred sixty-six".