403198943 has 8 divisors (see below), whose sum is σ = 485051520. Its totient is φ = 327409560.

The previous prime is 403198933. The next prime is 403198967. The reversal of 403198943 is 349891304.

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

It is a cyclic number.

It is not a de Polignac number, because 403198943 - 2¹⁸ = 402936799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 403198943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403198903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515653 + ... + 1515918.

It is an arithmetic number, because the mean of its divisors is an integer number (60631440).

Almost surely, 2^403198943 is an apocalyptic number.

403198943 is a deficient number, since it is larger than the sum of its proper divisors (81852577).

403198943 is a wasteful number, since it uses less digits than its factorization.

403198943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031597.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 403198943 is about 20079.8143168706. The cubic root of 403198943 is about 738.7652546135.

The spelling of 403198943 in words is "four hundred three million, one hundred ninety-eight thousand, nine hundred forty-three".