19540094 has 16 divisors (see below), whose sum is σ = 35260800. Its totient is φ = 7933464.

The previous prime is 19540061. The next prime is 19540121. The reversal of 19540094 is 49004591.

It is a self number, because there is not a number n which added to its sum of digits gives 19540094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36464 + ... + 36995.

It is an arithmetic number, because the mean of its divisors is an integer number (2203800).

Almost surely, 2^19540094 is an apocalyptic number.

19540094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19540094 is a deficient number, since it is larger than the sum of its proper divisors (15720706).

19540094 is a wasteful number, since it uses less digits than its factorization.

19540094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73487.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 19540094 is about 4420.4178535519. The cubic root of 19540094 is about 269.3449782704.

The spelling of 19540094 in words is "nineteen million, five hundred forty thousand, ninety-four".