19214234 has 24 divisors (see below), whose sum is σ = 32113620. Its totient is φ = 8570880.

The previous prime is 19214231. The next prime is 19214243. The reversal of 19214234 is 43241291.

It can be written as a sum of positive squares in 2 ways, for example, as 18037009 + 1177225 = 4247^2 + 1085^2 .

It is a super-4 number, since 4×19214234⁴ (a number of 30 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (19214231) 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 11 ways as a sum of consecutive naturals, for example, 24602 + ... + 25370.

Almost surely, 2^19214234 is an apocalyptic number.

19214234 is a deficient number, since it is larger than the sum of its proper divisors (12899386).

19214234 is a wasteful number, since it uses less digits than its factorization.

19214234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 815 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 19214234 is about 4383.4043847220. The cubic root of 19214234 is about 267.8393352750.

The spelling of 19214234 in words is "nineteen million, two hundred fourteen thousand, two hundred thirty-four".