4070891 has 4 divisors (see below), whose sum is σ = 4440984. Its totient is φ = 3700800.

The previous prime is 4070879. The next prime is 4070903. The reversal of 4070891 is 1980704.

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

It is an interprime number because it is at equal distance from previous prime (4070879) and next prime (4070903).

It is a cyclic number.

It is not a de Polignac number, because 4070891 - 2¹⁰ = 4069867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4070821) 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, 185030 + ... + 185051.

It is an arithmetic number, because the mean of its divisors is an integer number (1110246).

Almost surely, 2^4070891 is an apocalyptic number.

4070891 is a deficient number, since it is larger than the sum of its proper divisors (370093).

4070891 is a wasteful number, since it uses less digits than its factorization.

4070891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370092.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 4070891 is about 2017.6449142503. The cubic root of 4070891 is about 159.6723895499.

The spelling of 4070891 in words is "four million, seventy thousand, eight hundred ninety-one".