19426694 has 32 divisors (see below), whose sum is σ = 35078400. Its totient is φ = 7892640.

The previous prime is 19426681. The next prime is 19426747. The reversal of 19426694 is 49662491.

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 15 ways as a sum of consecutive naturals, for example, 23549 + ... + 24359.

It is an arithmetic number, because the mean of its divisors is an integer number (1096200).

Almost surely, 2^19426694 is an apocalyptic number.

19426694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19426694 is a deficient number, since it is larger than the sum of its proper divisors (15651706).

19426694 is a wasteful number, since it uses less digits than its factorization.

19426694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908.

The product of its digits is 93312, while the sum is 41.

The square root of 19426694 is about 4407.5723476762. The cubic root of 19426694 is about 268.8229234956.

The spelling of 19426694 in words is "nineteen million, four hundred twenty-six thousand, six hundred ninety-four".