19934748 has 36 divisors (see below), whose sum is σ = 52259480. Its totient is φ = 6644592.

The previous prime is 19934729. The next prime is 19934779. The reversal of 19934748 is 84743991.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9283 + ... + 11226.

Almost surely, 2^19934748 is an apocalyptic number.

19934748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19934748 is an abundant number, since it is smaller than the sum of its proper divisors (32324732).

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

19934748 is a wasteful number, since it uses less digits than its factorization.

19934748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20528 (or 20514 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 19934748 is about 4464.8345994001. The cubic root of 19934748 is about 271.1462380705.

The spelling of 19934748 in words is "nineteen million, nine hundred thirty-four thousand, seven hundred forty-eight".