19434954 has 128 divisors (see below), whose sum is σ = 53084160. Its totient is φ = 4593600.

The previous prime is 19434949. The next prime is 19434971. The reversal of 19434954 is 45943491.

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 in 63 ways as a sum of consecutive naturals, for example, 329377 + ... + 329435.

It is an arithmetic number, because the mean of its divisors is an integer number (414720).

Almost surely, 2^19434954 is an apocalyptic number.

19434954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19434954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26542080).

19434954 is an abundant number, since it is smaller than the sum of its proper divisors (33649206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19434954 is a wasteful number, since it uses less digits than its factorization.

19434954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136.

The product of its digits is 77760, while the sum is 39.

The square root of 19434954 is about 4408.5092718514. The cubic root of 19434954 is about 268.8610182037.

The spelling of 19434954 in words is "nineteen million, four hundred thirty-four thousand, nine hundred fifty-four".