398476733 has 12 divisors (see below), whose sum is σ = 415153440. Its totient is φ = 382442256.

The previous prime is 398476723. The next prime is 398476751. The reversal of 398476733 is 337674893.

It is not a de Polignac number, because 398476733 - 2¹⁶ = 398411197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398476703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149216 + ... + 151862.

It is an arithmetic number, because the mean of its divisors is an integer number (34596120).

Almost surely, 2^398476733 is an apocalyptic number.

It is an amenable number.

398476733 is a deficient number, since it is larger than the sum of its proper divisors (16676707).

398476733 is a wasteful number, since it uses less digits than its factorization.

398476733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884 (or 2855 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 50.

The square root of 398476733 is about 19961.8820004528. The cubic root of 398476733 is about 735.8698160231.

The spelling of 398476733 in words is "three hundred ninety-eight million, four hundred seventy-six thousand, seven hundred thirty-three".