406262401 has 4 divisors (see below), whose sum is σ = 406312452. Its totient is φ = 406212352.

The previous prime is 406262393. The next prime is 406262411. The reversal of 406262401 is 104262604.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 355511025 + 50751376 = 18855^2 + 7124^2 .

It is a cyclic number.

It is not a de Polignac number, because 406262401 - 2³ = 406262393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406262411) 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 3 ways as a sum of consecutive naturals, for example, 9736 + ... + 30121.

It is an arithmetic number, because the mean of its divisors is an integer number (101578113).

Almost surely, 2^406262401 is an apocalyptic number.

It is an amenable number.

406262401 is a deficient number, since it is larger than the sum of its proper divisors (50051).

406262401 is a wasteful number, since it uses less digits than its factorization.

406262401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50050.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 406262401 is about 20155.9519993475. The cubic root of 406262401 is about 740.6315530075.

The spelling of 406262401 in words is "four hundred six million, two hundred sixty-two thousand, four hundred one".