406677347 has 2 divisors, whose sum is σ = 406677348. Its totient is φ = 406677346.

The previous prime is 406677331. The next prime is 406677367. The reversal of 406677347 is 743776604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406677347 - 2⁴ = 406677331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406677298 and 406677307.

It is not a weakly prime, because it can be changed into another prime (406677307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203338673 + 203338674.

It is an arithmetic number, because the mean of its divisors is an integer number (203338674).

Almost surely, 2^406677347 is an apocalyptic number.

406677347 is a deficient number, since it is larger than the sum of its proper divisors (1).

406677347 is an equidigital number, since it uses as much as digits as its factorization.

406677347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 44.

The square root of 406677347 is about 20166.2427586301. The cubic root of 406677347 is about 740.8836212345.

The spelling of 406677347 in words is "four hundred six million, six hundred seventy-seven thousand, three hundred forty-seven".