19799058 has 16 divisors (see below), whose sum is σ = 40007520. Its totient is φ = 6531456.

The previous prime is 19799057. The next prime is 19799071. The reversal of 19799058 is 85099791.

It is a junction number, because it is equal to n+sod(n) for n = 19798998 and 19799016.

It is not an unprimeable number, because it can be changed into a prime (19799053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16428 + ... + 17591.

It is an arithmetic number, because the mean of its divisors is an integer number (2500470).

Almost surely, 2^19799058 is an apocalyptic number.

19799058 is an abundant number, since it is smaller than the sum of its proper divisors (20208462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19799058 is a wasteful number, since it uses less digits than its factorization.

19799058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34121.

The product of its (nonzero) digits is 204120, while the sum is 48.

The square root of 19799058 is about 4449.6132416200. The cubic root of 19799058 is about 270.5296325460.

The spelling of 19799058 in words is "nineteen million, seven hundred ninety-nine thousand, fifty-eight".