406847141 has 4 divisors (see below), whose sum is σ = 416770284. Its totient is φ = 396924000.

The previous prime is 406847137. The next prime is 406847143. The reversal of 406847141 is 141748604.

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 183494116 + 223353025 = 13546^2 + 14945^2 .

It is a cyclic number.

It is not a de Polignac number, because 406847141 - 2² = 406847137 is a prime.

It is a super-2 number, since 2×406847141² = 331049192279747762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406847143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4961510 + ... + 4961591.

It is an arithmetic number, because the mean of its divisors is an integer number (104192571).

Almost surely, 2^406847141 is an apocalyptic number.

406847141 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

406847141 is a deficient number, since it is larger than the sum of its proper divisors (9923143).

406847141 is an equidigital number, since it uses as much as digits as its factorization.

406847141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923142.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 406847141 is about 20170.4521763891. The cubic root of 406847141 is about 740.9867169615.

The spelling of 406847141 in words is "four hundred six million, eight hundred forty-seven thousand, one hundred forty-one".