397849983 has 8 divisors (see below), whose sum is σ = 530581296. Its totient is φ = 265176000.

The previous prime is 397849981. The next prime is 397850017. The reversal of 397849983 is 389948793.

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

It is not a de Polignac number, because 397849983 - 2¹ = 397849981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397849981) 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, 5973 + ... + 28833.

It is an arithmetic number, because the mean of its divisors is an integer number (66322662).

Almost surely, 2^397849983 is an apocalyptic number.

397849983 is a deficient number, since it is larger than the sum of its proper divisors (132731313).

397849983 is a wasteful number, since it uses less digits than its factorization.

397849983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28665.

The product of its digits is 11757312, while the sum is 60.

The square root of 397849983 is about 19946.1771525272. The cubic root of 397849983 is about 735.4838056779.

The spelling of 397849983 in words is "three hundred ninety-seven million, eight hundred forty-nine thousand, nine hundred eighty-three".