406677434 has 16 divisors (see below), whose sum is σ = 663358248. Its totient is φ = 186204672.

The previous prime is 406677433. The next prime is 406677461. The reversal of 406677434 is 434776604.

It can be written as a sum of positive squares in 4 ways, for example, as 387971809 + 18705625 = 19697^2 + 4325^2 .

It is a junction number, because it is equal to n+sod(n) for n = 406677391 and 406677400.

It is not an unprimeable number, because it can be changed into a prime (406677433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160379 + ... + 162894.

Almost surely, 2^406677434 is an apocalyptic number.

406677434 is a deficient number, since it is larger than the sum of its proper divisors (256680814).

406677434 is a wasteful number, since it uses less digits than its factorization.

406677434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323329.

The product of its (nonzero) digits is 338688, while the sum is 41.

The square root of 406677434 is about 20166.2449157001. The cubic root of 406677434 is about 740.8836740666.

The spelling of 406677434 in words is "four hundred six million, six hundred seventy-seven thousand, four hundred thirty-four".