431349998 has 8 divisors (see below), whose sum is σ = 647245560. Its totient is φ = 215601480.

The previous prime is 431349991. The next prime is 431350001. The reversal of 431349998 is 899943134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431349991) 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 3 ways as a sum of consecutive naturals, for example, 29108 + ... + 41351.

It is an arithmetic number, because the mean of its divisors is an integer number (80905695).

Almost surely, 2^431349998 is an apocalyptic number.

431349998 is a deficient number, since it is larger than the sum of its proper divisors (215895562).

431349998 is a wasteful number, since it uses less digits than its factorization.

431349998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73522.

The product of its digits is 839808, while the sum is 50.

The square root of 431349998 is about 20768.9671866465. The cubic root of 431349998 is about 755.5732955450.

The spelling of 431349998 in words is "four hundred thirty-one million, three hundred forty-nine thousand, nine hundred ninety-eight".