41920889 has 4 divisors (see below), whose sum is σ = 43053924. Its totient is φ = 40787856.

The previous prime is 41920883. The next prime is 41920891. The reversal of 41920889 is 98802914.

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 30415225 + 11505664 = 5515^2 + 3392^2 .

It is a cyclic number.

It is not a de Polignac number, because 41920889 - 2⁴ = 41920873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41920883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566462 + ... + 566535.

It is an arithmetic number, because the mean of its divisors is an integer number (10763481).

Almost surely, 2^41920889 is an apocalyptic number.

It is an amenable number.

41920889 is a deficient number, since it is larger than the sum of its proper divisors (1133035).

41920889 is a wasteful number, since it uses less digits than its factorization.

41920889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133034.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 41920889 is about 6474.6342753858. The cubic root of 41920889 is about 347.3842797405.

The spelling of 41920889 in words is "forty-one million, nine hundred twenty thousand, eight hundred eighty-nine".