431813404 has 24 divisors (see below), whose sum is σ = 833641200. Its totient is φ = 194071680.

The previous prime is 431813383. The next prime is 431813407. The reversal of 431813404 is 404318134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431813407) 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, 51219 + ... + 59050.

It is an arithmetic number, because the mean of its divisors is an integer number (34735050).

Almost surely, 2^431813404 is an apocalyptic number.

431813404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

431813404 is a deficient number, since it is larger than the sum of its proper divisors (401827796).

431813404 is a wasteful number, since it uses less digits than its factorization.

431813404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110373 (or 110371 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 431813404 is about 20780.1204038860. The cubic root of 431813404 is about 755.8437734160.

The spelling of 431813404 in words is "four hundred thirty-one million, eight hundred thirteen thousand, four hundred four".