431346477 has 16 divisors (see below), whose sum is σ = 578725632. Its totient is φ = 285772800.

The previous prime is 431346467. The next prime is 431346497. The reversal of 431346477 is 774643134.

It is not a de Polignac number, because 431346477 - 2⁸ = 431346221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431346437) 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 15 ways as a sum of consecutive naturals, for example, 441013 + ... + 441989.

It is an arithmetic number, because the mean of its divisors is an integer number (36170352).

Almost surely, 2^431346477 is an apocalyptic number.

It is an amenable number.

431346477 is a deficient number, since it is larger than the sum of its proper divisors (147379155).

431346477 is a wasteful number, since it uses less digits than its factorization.

431346477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748.

The product of its digits is 169344, while the sum is 39.

The square root of 431346477 is about 20768.8824205830. The cubic root of 431346477 is about 755.5712396887.

The spelling of 431346477 in words is "four hundred thirty-one million, three hundred forty-six thousand, four hundred seventy-seven".