4070191 has 4 divisors (see below), whose sum is σ = 4309632. Its totient is φ = 3830752.

The previous prime is 4070167. The next prime is 4070197. The reversal of 4070191 is 1910704.

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

It is a cyclic number.

It is not a de Polignac number, because 4070191 - 2⁹ = 4069679 is a prime.

It is a Duffinian number.

4070191 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4070197) 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, 119695 + ... + 119728.

It is an arithmetic number, because the mean of its divisors is an integer number (1077408).

Almost surely, 2^4070191 is an apocalyptic number.

4070191 is a deficient number, since it is larger than the sum of its proper divisors (239441).

4070191 is a wasteful number, since it uses less digits than its factorization.

4070191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239440.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 4070191 is about 2017.4714372204. The cubic root of 4070191 is about 159.6632370016.

Adding to 4070191 its reverse (1910704), we get a palindrome (5980895).

The spelling of 4070191 in words is "four million, seventy thousand, one hundred ninety-one".