1944830 has 8 divisors (see below), whose sum is σ = 3500712. Its totient is φ = 777928.

The previous prime is 1944829. The next prime is 1944841. The reversal of 1944830 is 384491.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1944793 and 1944802.

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, 97232 + ... + 97251.

It is an arithmetic number, because the mean of its divisors is an integer number (437589).

2^1944830 is an apocalyptic number.

1944830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1944830 is a deficient number, since it is larger than the sum of its proper divisors (1555882).

1944830 is a wasteful number, since it uses less digits than its factorization.

1944830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194490.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1944830 is about 1394.5716188135. The cubic root of 1944830 is about 124.8227888885.

The spelling of 1944830 in words is "one million, nine hundred forty-four thousand, eight hundred thirty".