4019061 has 4 divisors (see below), whose sum is σ = 5358752. Its totient is φ = 2679372.

The previous prime is 4019047. The next prime is 4019063. The reversal of 4019061 is 1609104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4019061 - 2¹⁵ = 3986293 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4019063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669841 + ... + 669846.

It is an arithmetic number, because the mean of its divisors is an integer number (1339688).

Almost surely, 2^4019061 is an apocalyptic number.

It is an amenable number.

4019061 is a deficient number, since it is larger than the sum of its proper divisors (1339691).

4019061 is a wasteful number, since it uses less digits than its factorization.

4019061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339690.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 4019061 is about 2004.7595865839. The cubic root of 4019061 is about 158.9918511705.

The spelling of 4019061 in words is "four million, nineteen thousand, sixty-one".