1630950 has 48 divisors (see below), whose sum is σ = 4124736. Its totient is φ = 426400.

The previous prime is 1630943. The next prime is 1630987. The reversal of 1630950 is 590361.

It is a self number, because there is not a number n which added to its sum of digits gives 1630950.

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 23 ways as a sum of consecutive naturals, for example, 12385 + ... + 12515.

It is an arithmetic number, because the mean of its divisors is an integer number (85932).

2^1630950 is an apocalyptic number.

1630950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1630950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2062368).

1630950 is an abundant number, since it is smaller than the sum of its proper divisors (2493786).

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

1630950 is a wasteful number, since it uses less digits than its factorization.

1630950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 1630950 is about 1277.0865280004. The cubic root of 1630950 is about 117.7100513145.

The spelling of 1630950 in words is "one million, six hundred thirty thousand, nine hundred fifty".