371042891 has 4 divisors (see below), whose sum is σ = 371091384. Its totient is φ = 370994400.

The previous prime is 371042879. The next prime is 371042899. The reversal of 371042891 is 198240173.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 198240173 = 179 ⋅1107487.

It is a cyclic number.

It is not a de Polignac number, because 371042891 - 2²⁶ = 303934027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (371042899) 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, 9965 + ... + 29006.

It is an arithmetic number, because the mean of its divisors is an integer number (92772846).

Almost surely, 2^371042891 is an apocalyptic number.

371042891 is a deficient number, since it is larger than the sum of its proper divisors (48493).

371042891 is an equidigital number, since it uses as much as digits as its factorization.

371042891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48492.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 371042891 is about 19262.4736469645. The cubic root of 371042891 is about 718.5793043822.

The spelling of 371042891 in words is "three hundred seventy-one million, forty-two thousand, eight hundred ninety-one".