19628241 has 16 divisors (see below), whose sum is σ = 27170304. Its totient is φ = 12593664.

The previous prime is 19628227. The next prime is 19628243. The reversal of 19628241 is 14282691.

It is not a de Polignac number, because 19628241 - 2⁷ = 19628113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19628243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9856 + ... + 11678.

It is an arithmetic number, because the mean of its divisors is an integer number (1698144).

Almost surely, 2^19628241 is an apocalyptic number.

It is an amenable number.

19628241 is a deficient number, since it is larger than the sum of its proper divisors (7542063).

19628241 is a wasteful number, since it uses less digits than its factorization.

19628241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960.

The product of its digits is 6912, while the sum is 33.

The square root of 19628241 is about 4430.3770719883. The cubic root of 19628241 is about 269.7493833594.

The spelling of 19628241 in words is "nineteen million, six hundred twenty-eight thousand, two hundred forty-one".