1630366 has 8 divisors (see below), whose sum is σ = 2451240. Its totient is φ = 813288.

The previous prime is 1630361. The next prime is 1630367. The reversal of 1630366 is 6630361.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1630366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630361) 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, 700 + ... + 1936.

It is an arithmetic number, because the mean of its divisors is an integer number (306405).

2^1630366 is an apocalyptic number.

1630366 is a deficient number, since it is larger than the sum of its proper divisors (820874).

1630366 is a wasteful number, since it uses less digits than its factorization.

1630366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1630366 is about 1276.8578620974. The cubic root of 1630366 is about 117.6960000200.

The spelling of 1630366 in words is "one million, six hundred thirty thousand, three hundred sixty-six".