19530094 has 4 divisors (see below), whose sum is σ = 29295144. Its totient is φ = 9765046.

The previous prime is 19530089. The next prime is 19530101. The reversal of 19530094 is 49003591.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4882522 + ... + 4882525.

It is an arithmetic number, because the mean of its divisors is an integer number (7323786).

Almost surely, 2^19530094 is an apocalyptic number.

19530094 is a deficient number, since it is larger than the sum of its proper divisors (9765050).

19530094 is an equidigital number, since it uses as much as digits as its factorization.

19530094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9765049.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 19530094 is about 4419.2865940104. The cubic root of 19530094 is about 269.2990230260.

The spelling of 19530094 in words is "nineteen million, five hundred thirty thousand, ninety-four".