19426097 has 8 divisors (see below), whose sum is σ = 19776960. Its totient is φ = 19077520.

The previous prime is 19426061. The next prime is 19426111. The reversal of 19426097 is 79062491.

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

It is a cyclic number.

It is not a de Polignac number, because 19426097 - 2²² = 15231793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19426097.

It is not an unprimeable number, because it can be changed into a prime (19426397) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29423 + ... + 30075.

It is an arithmetic number, because the mean of its divisors is an integer number (2472120).

Almost surely, 2^19426097 is an apocalyptic number.

It is an amenable number.

19426097 is a deficient number, since it is larger than the sum of its proper divisors (350863).

19426097 is an equidigital number, since it uses as much as digits as its factorization.

19426097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 19426097 is about 4407.5046227996. The cubic root of 19426097 is about 268.8201697429.

The spelling of 19426097 in words is "nineteen million, four hundred twenty-six thousand, ninety-seven".