1630352 has 40 divisors (see below), whose sum is σ = 3452160. Its totient is φ = 743040.

The previous prime is 1630303. The next prime is 1630357. The reversal of 1630352 is 2530361.

It is not an unprimeable number, because it can be changed into a prime (1630357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9338 + ... + 9510.

It is an arithmetic number, because the mean of its divisors is an integer number (86304).

2^1630352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1630352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726080).

1630352 is an abundant number, since it is smaller than the sum of its proper divisors (1821808).

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

1630352 is a wasteful number, since it uses less digits than its factorization.

1630352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1630352 is about 1276.8523798780. The cubic root of 1630352 is about 117.6956631327.

Subtracting 1630352 from its reverse (2530361), we obtain a palindrome (900009).

The spelling of 1630352 in words is "one million, six hundred thirty thousand, three hundred fifty-two".