4019485 has 4 divisors (see below), whose sum is σ = 4823388. Its totient is φ = 3215584.

The previous prime is 4019479. The next prime is 4019501. The reversal of 4019485 is 5849104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 582169 + 3437316 = 763^2 + 1854^2 .

It is a cyclic number.

It is not a de Polignac number, because 4019485 - 2¹¹ = 4017437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401944 + ... + 401953.

It is an arithmetic number, because the mean of its divisors is an integer number (1205847).

Almost surely, 2^4019485 is an apocalyptic number.

It is an amenable number.

4019485 is a deficient number, since it is larger than the sum of its proper divisors (803903).

4019485 is an equidigital number, since it uses as much as digits as its factorization.

4019485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803902.

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

The square root of 4019485 is about 2004.8653321358. The cubic root of 4019485 is about 158.9974420432.

The spelling of 4019485 in words is "four million, nineteen thousand, four hundred eighty-five".