406147741 has 4 divisors (see below), whose sum is σ = 406222684. Its totient is φ = 406072800.

The previous prime is 406147723. The next prime is 406147747. The reversal of 406147741 is 147741604.

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 304642116 + 101505625 = 17454^2 + 10075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406147741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406147697 and 406147706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406147747) 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, 28650 + ... + 40411.

It is an arithmetic number, because the mean of its divisors is an integer number (101555671).

Almost surely, 2^406147741 is an apocalyptic number.

It is an amenable number.

406147741 is a deficient number, since it is larger than the sum of its proper divisors (74943).

406147741 is an equidigital number, since it uses as much as digits as its factorization.

406147741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74942.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 406147741 is about 20153.1074775083. The cubic root of 406147741 is about 740.5618699619.

The spelling of 406147741 in words is "four hundred six million, one hundred forty-seven thousand, seven hundred forty-one".