1938633 has 8 divisors (see below), whose sum is σ = 2604000. Its totient is φ = 1282848.

The previous prime is 1938623. The next prime is 1938637. The reversal of 1938633 is 3368391.

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

It is not a de Polignac number, because 1938633 - 2⁴ = 1938617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1938594 and 1938603.

It is not an unprimeable number, because it can be changed into a prime (1938637) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1908 + ... + 2741.

It is an arithmetic number, because the mean of its divisors is an integer number (325500).

2^1938633 is an apocalyptic number.

It is an amenable number.

1938633 is a deficient number, since it is larger than the sum of its proper divisors (665367).

1938633 is a wasteful number, since it uses less digits than its factorization.

1938633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791.

The product of its digits is 11664, while the sum is 33.

The square root of 1938633 is about 1392.3480168406. The cubic root of 1938633 is about 124.6900695132.

The spelling of 1938633 in words is "one million, nine hundred thirty-eight thousand, six hundred thirty-three".