19426412 has 6 divisors (see below), whose sum is σ = 33996228. Its totient is φ = 9713204.

The previous prime is 19426409. The next prime is 19426423. The reversal of 19426412 is 21462491.

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 as a sum of consecutive naturals, namely, 2428298 + ... + 2428305.

It is an arithmetic number, because the mean of its divisors is an integer number (5666038).

Almost surely, 2^19426412 is an apocalyptic number.

It is an amenable number.

19426412 is a deficient number, since it is larger than the sum of its proper divisors (14569816).

19426412 is a wasteful number, since it uses less digits than its factorization.

19426412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856607 (or 4856605 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 19426412 is about 4407.5403571607. The cubic root of 19426412 is about 268.8216227350.

The spelling of 19426412 in words is "nineteen million, four hundred twenty-six thousand, four hundred twelve".