19429368 has 64 divisors (see below), whose sum is σ = 58786560. Its totient is φ = 5223936.

The previous prime is 19429357. The next prime is 19429373. The reversal of 19429368 is 86392491.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546 + ... + 6257.

It is an arithmetic number, because the mean of its divisors is an integer number (918540).

Almost surely, 2^19429368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19429368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29393280).

19429368 is an abundant number, since it is smaller than the sum of its proper divisors (39357192).

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

19429368 is a wasteful number, since it uses less digits than its factorization.

19429368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836 (or 6832 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 19429368 is about 4407.8756788276. The cubic root of 19429368 is about 268.8352570321.

The spelling of 19429368 in words is "nineteen million, four hundred twenty-nine thousand, three hundred sixty-eight".