19945034 has 8 divisors (see below), whose sum is σ = 30613440. Its totient is φ = 9740556.

The previous prime is 19945031. The next prime is 19945039. The reversal of 19945034 is 43054991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×19945034² = 795608762522312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19944985 and 19945003.

It is not an unprimeable number, because it can be changed into a prime (19945031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115874 + ... + 116045.

It is an arithmetic number, because the mean of its divisors is an integer number (3826680).

Almost surely, 2^19945034 is an apocalyptic number.

19945034 is a deficient number, since it is larger than the sum of its proper divisors (10668406).

19945034 is a wasteful number, since it uses less digits than its factorization.

19945034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231964.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 19945034 is about 4465.9863412241. The cubic root of 19945034 is about 271.1928657086.

The spelling of 19945034 in words is "nineteen million, nine hundred forty-five thousand, thirty-four".