19402094 has 8 divisors (see below), whose sum is σ = 30042048. Its totient is φ = 9388080.

The previous prime is 19402079. The next prime is 19402121. The reversal of 19402094 is 49020491.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156407 + ... + 156530.

It is an arithmetic number, because the mean of its divisors is an integer number (3755256).

Almost surely, 2^19402094 is an apocalyptic number.

19402094 is a deficient number, since it is larger than the sum of its proper divisors (10639954).

19402094 is a wasteful number, since it uses less digits than its factorization.

19402094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312970.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 19402094 is about 4404.7808117998. The cubic root of 19402094 is about 268.7094055145.

The spelling of 19402094 in words is "nineteen million, four hundred two thousand, ninety-four".