19214290 has 16 divisors (see below), whose sum is σ = 34638912. Its totient is φ = 7673904.

The previous prime is 19214243. The next prime is 19214291. The reversal of 19214290 is 9241291.

It is a happy number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (19214291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8677 + ... + 10663.

It is an arithmetic number, because the mean of its divisors is an integer number (2164932).

Almost surely, 2^19214290 is an apocalyptic number.

19214290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19214290 is a deficient number, since it is larger than the sum of its proper divisors (15424622).

19214290 is a wasteful number, since it uses less digits than its factorization.

19214290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 19214290 is about 4383.4107724465. The cubic root of 19214290 is about 267.8395954812.

The spelling of 19214290 in words is "nineteen million, two hundred fourteen thousand, two hundred ninety".