1930093 has 4 divisors (see below), whose sum is σ = 2105568. Its totient is φ = 1754620.

The previous prime is 1930087. The next prime is 1930099. The reversal of 1930093 is 3900391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3900391 = 11 ⋅354581.

It is an interprime number because it is at equal distance from previous prime (1930087) and next prime (1930099).

It is a cyclic number.

It is not a de Polignac number, because 1930093 - 2⁹ = 1929581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930099) 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, 87721 + ... + 87742.

It is an arithmetic number, because the mean of its divisors is an integer number (526392).

2^1930093 is an apocalyptic number.

It is an amenable number.

1930093 is a deficient number, since it is larger than the sum of its proper divisors (175475).

1930093 is a wasteful number, since it uses less digits than its factorization.

1930093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175474.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 1930093 is about 1389.2778699742. The cubic root of 1930093 is about 124.5067065198.

The spelling of 1930093 in words is "one million, nine hundred thirty thousand, ninety-three".