19452028 has 6 divisors (see below), whose sum is σ = 34041056. Its totient is φ = 9726012.

The previous prime is 19452001. The next prime is 19452053. The reversal of 19452028 is 82025491.

It is a nialpdrome in base 11.

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 as a sum of consecutive naturals, namely, 2431500 + ... + 2431507.

Almost surely, 2^19452028 is an apocalyptic number.

It is an amenable number.

19452028 is a deficient number, since it is larger than the sum of its proper divisors (14589028).

19452028 is a wasteful number, since it uses less digits than its factorization.

19452028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863011 (or 4863009 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 19452028 is about 4410.4453289889. The cubic root of 19452028 is about 268.9397284387.

The spelling of 19452028 in words is "nineteen million, four hundred fifty-two thousand, twenty-eight".