398482733 has 4 divisors (see below), whose sum is σ = 434708448. Its totient is φ = 362257020.

The previous prime is 398482697. The next prime is 398482757. The reversal of 398482733 is 337284893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 398482733 - 2⁸ = 398482477 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 (398482783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18112841 + ... + 18112862.

It is an arithmetic number, because the mean of its divisors is an integer number (108677112).

Almost surely, 2^398482733 is an apocalyptic number.

It is an amenable number.

398482733 is a deficient number, since it is larger than the sum of its proper divisors (36225715).

398482733 is a wasteful number, since it uses less digits than its factorization.

398482733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36225714.

The product of its digits is 870912, while the sum is 47.

The square root of 398482733 is about 19962.0322863179. The cubic root of 398482733 is about 735.8735094188.

The spelling of 398482733 in words is "three hundred ninety-eight million, four hundred eighty-two thousand, seven hundred thirty-three".