1930940 has 48 divisors (see below), whose sum is σ = 4523904. Its totient is φ = 686400.

The previous prime is 1930939. The next prime is 1930961. The reversal of 1930940 is 490391.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14675 + ... + 14805.

It is an arithmetic number, because the mean of its divisors is an integer number (94248).

2^1930940 is an apocalyptic number.

1930940 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 1930940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2261952).

1930940 is an abundant number, since it is smaller than the sum of its proper divisors (2592964).

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

1930940 is a wasteful number, since it uses less digits than its factorization.

1930940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1930940 is about 1389.5826711643. The cubic root of 1930940 is about 124.5249166541.

The spelling of 1930940 in words is "one million, nine hundred thirty thousand, nine hundred forty".