406770481 has 8 divisors (see below), whose sum is σ = 438646824. Its totient is φ = 374977920.

The previous prime is 406770439. The next prime is 406770491. The reversal of 406770481 is 184077604.

It can be written as a sum of positive squares in 4 ways, for example, as 2117025 + 404653456 = 1455^2 + 20116^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406770481 - 2¹³ = 406762289 is a prime.

It is a super-2 number, since 2×406770481² = 330924448425942722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 406770481.

It is not an unprimeable number, because it can be changed into a prime (406770401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10666 + ... + 30451.

It is an arithmetic number, because the mean of its divisors is an integer number (54830853).

Almost surely, 2^406770481 is an apocalyptic number.

It is an amenable number.

406770481 is a deficient number, since it is larger than the sum of its proper divisors (31876343).

406770481 is a wasteful number, since it uses less digits than its factorization.

406770481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41891.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 406770481 is about 20168.5517824161. The cubic root of 406770481 is about 740.9401740021.

The spelling of 406770481 in words is "four hundred six million, seven hundred seventy thousand, four hundred eighty-one".