1939020 has 48 divisors (see below), whose sum is σ = 5751648. Its totient is φ = 486400.

The previous prime is 1939009. The next prime is 1939033. The reversal of 1939020 is 209391.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 70 + ... + 1970.

It is an arithmetic number, because the mean of its divisors is an integer number (119826).

2^1939020 is an apocalyptic number.

1939020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1939020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2875824).

1939020 is an abundant number, since it is smaller than the sum of its proper divisors (3812628).

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

1939020 is a wasteful number, since it uses less digits than its factorization.

1939020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 1939020 is about 1392.4869837812. The cubic root of 1939020 is about 124.6983660545.

The spelling of 1939020 in words is "one million, nine hundred thirty-nine thousand, twenty".