406006354 has 16 divisors (see below), whose sum is σ = 671854680. Its totient is φ = 182816640.

The previous prime is 406006343. The next prime is 406006357. The reversal of 406006354 is 453600604.

It can be written as a sum of positive squares in 4 ways, for example, as 155575729 + 250430625 = 12473^2 + 15825^2 .

It is not an unprimeable number, because it can be changed into a prime (406006357) 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, 189369 + ... + 191500.

Almost surely, 2^406006354 is an apocalyptic number.

406006354 is a deficient number, since it is larger than the sum of its proper divisors (265848326).

406006354 is a wasteful number, since it uses less digits than its factorization.

406006354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380925.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 406006354 is about 20149.5993508556. The cubic root of 406006354 is about 740.4759258888.

Adding to 406006354 its reverse (453600604), we get a palindrome (859606958).

It can be divided in two parts, 40 and 6006354, that multiplied together give a triangular number (240254160 = T₂₁₉₂₀).

The spelling of 406006354 in words is "four hundred six million, six thousand, three hundred fifty-four".