1939130 has 16 divisors (see below), whose sum is σ = 3642624. Its totient is φ = 741840.

The previous prime is 1939123. The next prime is 1939141. The reversal of 1939130 is 319391.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1939130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3986 + ... + 4445.

It is an arithmetic number, because the mean of its divisors is an integer number (227664).

2^1939130 is an apocalyptic number.

1939130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1939130 is a deficient number, since it is larger than the sum of its proper divisors (1703494).

1939130 is a wasteful number, since it uses less digits than its factorization.

1939130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8461.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 1939130 is about 1392.5264808972. The cubic root of 1939130 is about 124.7007240431.

The spelling of 1939130 in words is "one million, nine hundred thirty-nine thousand, one hundred thirty".