398833061 has 12 divisors (see below), whose sum is σ = 439099500. Its totient is φ = 361986240.

The previous prime is 398833049. The next prime is 398833063. The reversal of 398833061 is 160338893.

It can be written as a sum of positive squares in 2 ways, for example, as 244328161 + 154504900 = 15631^2 + 12430^2 .

It is not a de Polignac number, because 398833061 - 2¹⁰ = 398832037 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398833063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83465 + ... + 88113.

It is an arithmetic number, because the mean of its divisors is an integer number (36591625).

Almost surely, 2^398833061 is an apocalyptic number.

It is an amenable number.

398833061 is a deficient number, since it is larger than the sum of its proper divisors (40266439).

398833061 is a wasteful number, since it uses less digits than its factorization.

398833061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5380 (or 5369 counting only the distinct ones).

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

The square root of 398833061 is about 19970.8052166156. The cubic root of 398833061 is about 736.0890951581.

The spelling of 398833061 in words is "three hundred ninety-eight million, eight hundred thirty-three thousand, sixty-one".