1944630 has 96 divisors (see below), whose sum is σ = 5660928. Its totient is φ = 460800.

The previous prime is 1944583. The next prime is 1944659. The reversal of 1944630 is 364491.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1944594 and 1944603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47410 + ... + 47450.

It is an arithmetic number, because the mean of its divisors is an integer number (58968).

2^1944630 is an apocalyptic number.

1944630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 1394×1395.

It is a practical number, because each smaller number is the sum of distinct divisors of 1944630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2830464).

1944630 is an abundant number, since it is smaller than the sum of its proper divisors (3716298).

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

1944630 is a wasteful number, since it uses less digits than its factorization.

1944630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1944630 is about 1394.4999103621. The cubic root of 1944630 is about 124.8185099518.

The spelling of 1944630 in words is "one million, nine hundred forty-four thousand, six hundred thirty".