41421987 has 6 divisors (see below), whose sum is σ = 59831772. Its totient is φ = 27614652.

The previous prime is 41421971. The next prime is 41422001. The reversal of 41421987 is 78912414.

It is not a de Polignac number, because 41421987 - 2⁴ = 41421971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41421917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2301213 + ... + 2301230.

It is an arithmetic number, because the mean of its divisors is an integer number (9971962).

Almost surely, 2^41421987 is an apocalyptic number.

41421987 is a deficient number, since it is larger than the sum of its proper divisors (18409785).

41421987 is a wasteful number, since it uses less digits than its factorization.

41421987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602449 (or 4602446 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 41421987 is about 6435.9915320019. The cubic root of 41421987 is about 346.0006988748. Note that the first 3 decimals are identical.

The spelling of 41421987 in words is "forty-one million, four hundred twenty-one thousand, nine hundred eighty-seven".