1930540 has 12 divisors (see below), whose sum is σ = 4054176. Its totient is φ = 772208.

The previous prime is 1930519. The next prime is 1930541. The reversal of 1930540 is 450391.

1930540 = T₁₁₆ + T₁₁₇ + ... + T₂₃₅.

It is not an unprimeable number, because it can be changed into a prime (1930541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48244 + ... + 48283.

It is an arithmetic number, because the mean of its divisors is an integer number (337848).

2^1930540 is an apocalyptic number.

1930540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1930540 is an abundant number, since it is smaller than the sum of its proper divisors (2123636).

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

1930540 is a wasteful number, since it uses less digits than its factorization.

1930540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96536 (or 96534 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1930540 is about 1389.4387356051. The cubic root of 1930540 is about 124.5163174905.

The spelling of 1930540 in words is "one million, nine hundred thirty thousand, five hundred forty".