1939628 has 12 divisors (see below), whose sum is σ = 3477432. Its totient is φ = 946080.

The previous prime is 1939621. The next prime is 1939631. The reversal of 1939628 is 8269391.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1939591 and 1939600.

It is not an unprimeable number, because it can be changed into a prime (1939621) 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 3 ways as a sum of consecutive naturals, for example, 5750 + ... + 6077.

It is an arithmetic number, because the mean of its divisors is an integer number (289786).

2^1939628 is an apocalyptic number.

It is an amenable number.

1939628 is a deficient number, since it is larger than the sum of its proper divisors (1537804).

1939628 is a wasteful number, since it uses less digits than its factorization.

1939628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11872 (or 11870 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 1939628 is about 1392.7052810986. The cubic root of 1939628 is about 124.7113981847.

The spelling of 1939628 in words is "one million, nine hundred thirty-nine thousand, six hundred twenty-eight".