1930542 has 8 divisors (see below), whose sum is σ = 3861096. Its totient is φ = 643512.

The previous prime is 1930541. The next prime is 1930543. The reversal of 1930542 is 2450391.

It is an interprime number because it is at equal distance from previous prime (1930541) and next prime (1930543).

It is a sphenic number, since it is the product of 3 distinct primes.

1930542 is an admirable number.

It is a congruent number.

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

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 3 ways as a sum of consecutive naturals, for example, 160873 + ... + 160884.

It is an arithmetic number, because the mean of its divisors is an integer number (482637).

2^1930542 is an apocalyptic number.

1930542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1930542 is a wasteful number, since it uses less digits than its factorization.

1930542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321762.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1930542 is about 1389.4394553200. The cubic root of 1930542 is about 124.5163604893.

The spelling of 1930542 in words is "one million, nine hundred thirty thousand, five hundred forty-two".