1943998 has 16 divisors (see below), whose sum is σ = 3354624. Its totient is φ = 827640.

The previous prime is 1943993. The next prime is 1944011. The reversal of 1943998 is 8993491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1943993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311 + ... + 3037.

It is an arithmetic number, because the mean of its divisors is an integer number (209664).

2^1943998 is an apocalyptic number.

1943998 is a deficient number, since it is larger than the sum of its proper divisors (1410626).

1943998 is a wasteful number, since it uses less digits than its factorization.

1943998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927.

The product of its digits is 69984, while the sum is 43.

The square root of 1943998 is about 1394.2732874153. The cubic root of 1943998 is about 124.8049865830.

The spelling of 1943998 in words is "one million, nine hundred forty-three thousand, nine hundred ninety-eight".