19949752 has 8 divisors (see below), whose sum is σ = 37405800. Its totient is φ = 9974872.

The previous prime is 19949749. The next prime is 19949779. The reversal of 19949752 is 25794991.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246852 + ... + 1246867.

It is an arithmetic number, because the mean of its divisors is an integer number (4675725).

Almost surely, 2^19949752 is an apocalyptic number.

It is an amenable number.

19949752 is a deficient number, since it is larger than the sum of its proper divisors (17456048).

19949752 is a wasteful number, since it uses less digits than its factorization.

19949752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493725 (or 2493721 counting only the distinct ones).

The product of its digits is 204120, while the sum is 46.

The square root of 19949752 is about 4466.5145247721. The cubic root of 19949752 is about 271.2142475902.

The spelling of 19949752 in words is "nineteen million, nine hundred forty-nine thousand, seven hundred fifty-two".