398461383 has 16 divisors (see below), whose sum is σ = 609356800. Its totient is φ = 257071320.

The previous prime is 398461307. The next prime is 398461387. The reversal of 398461383 is 383164893.

It is a de Polignac number, because none of the positive numbers 2^k-398461383 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 (398461387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237193 + ... + 238866.

It is an arithmetic number, because the mean of its divisors is an integer number (38084800).

Almost surely, 2^398461383 is an apocalyptic number.

398461383 is a deficient number, since it is larger than the sum of its proper divisors (210895417).

398461383 is a wasteful number, since it uses less digits than its factorization.

398461383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476099 (or 476093 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 398461383 is about 19961.4975139642. The cubic root of 398461383 is about 735.8603669170.

The spelling of 398461383 in words is "three hundred ninety-eight million, four hundred sixty-one thousand, three hundred eighty-three".