19790485 has 32 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 13094400.

The previous prime is 19790467. The next prime is 19790489. The reversal of 19790485 is 58409791.

It is not a de Polignac number, because 19790485 - 2⁷ = 19790357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19790489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63480 + ... + 63790.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 2^19790485 is an apocalyptic number.

It is an amenable number.

19790485 is a deficient number, since it is larger than the sum of its proper divisors (8514155).

19790485 is a wasteful number, since it uses less digits than its factorization.

19790485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 19790485 is about 4448.6497951626. The cubic root of 19790485 is about 270.4905804294.

The spelling of 19790485 in words is "nineteen million, seven hundred ninety thousand, four hundred eighty-five".