405848141 has 4 divisors (see below), whose sum is σ = 411564384. Its totient is φ = 400131900.

The previous prime is 405848129. The next prime is 405848143. The reversal of 405848141 is 141848504.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 405848141 - 2¹⁸ = 405585997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405848143) 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, 2858015 + ... + 2858156.

It is an arithmetic number, because the mean of its divisors is an integer number (102891096).

Almost surely, 2^405848141 is an apocalyptic number.

It is an amenable number.

405848141 is a deficient number, since it is larger than the sum of its proper divisors (5716243).

405848141 is an equidigital number, since it uses as much as digits as its factorization.

405848141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716242.

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 405848141 is about 20145.6730093586. The cubic root of 405848141 is about 740.3797302363.

The spelling of 405848141 in words is "four hundred five million, eight hundred forty-eight thousand, one hundred forty-one".