19434284 has 12 divisors (see below), whose sum is σ = 34420344. Its totient is φ = 9599904.

The previous prime is 19434277. The next prime is 19434293. The reversal of 19434284 is 48243491.

19434284 = T₂₆₄ + T₂₆₅ + ... + T₅₁₂.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28937 + ... + 29600.

It is an arithmetic number, because the mean of its divisors is an integer number (2868362).

Almost surely, 2^19434284 is an apocalyptic number.

It is an amenable number.

19434284 is a deficient number, since it is larger than the sum of its proper divisors (14986060).

19434284 is a wasteful number, since it uses less digits than its factorization.

19434284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58624 (or 58622 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 19434284 is about 4408.4332817907. The cubic root of 19434284 is about 268.8579285994.

The spelling of 19434284 in words is "nineteen million, four hundred thirty-four thousand, two hundred eighty-four".