398741853 has 8 divisors (see below), whose sum is σ = 531758368. Its totient is φ = 265776624.

The previous prime is 398741821. The next prime is 398741867. The reversal of 398741853 is 358147893.

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

It is not a de Polignac number, because 398741853 - 2⁵ = 398741821 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 (398741873) 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, 12426 + ... + 30852.

It is an arithmetic number, because the mean of its divisors is an integer number (66469796).

Almost surely, 2^398741853 is an apocalyptic number.

It is an amenable number.

398741853 is a deficient number, since it is larger than the sum of its proper divisors (133016515).

398741853 is a wasteful number, since it uses less digits than its factorization.

398741853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25643.

The product of its digits is 725760, while the sum is 48.

The square root of 398741853 is about 19968.5215526839. The cubic root of 398741853 is about 736.0329795054.

The spelling of 398741853 in words is "three hundred ninety-eight million, seven hundred forty-one thousand, eight hundred fifty-three".