19734950 has 12 divisors (see below), whose sum is σ = 36707100. Its totient is φ = 7893960.

The previous prime is 19734937. The next prime is 19734961. The reversal of 19734950 is 5943791.

It is a happy number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 197300 + ... + 197399.

It is an arithmetic number, because the mean of its divisors is an integer number (3058925).

Almost surely, 2^19734950 is an apocalyptic number.

19734950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19734950 is a deficient number, since it is larger than the sum of its proper divisors (16972150).

19734950 is a wasteful number, since it uses less digits than its factorization.

19734950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394711 (or 394706 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 19734950 is about 4442.4036286677. The cubic root of 19734950 is about 270.2373313326.

The spelling of 19734950 in words is "nineteen million, seven hundred thirty-four thousand, nine hundred fifty".