398575541 has 16 divisors (see below), whose sum is σ = 493315200. Its totient is φ = 313581888.

The previous prime is 398575531. The next prime is 398575543. The reversal of 398575541 is 145575893.

It is a cyclic number.

It is not a de Polignac number, because 398575541 - 2²⁶ = 331466677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398575543) 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 15 ways as a sum of consecutive naturals, for example, 4055 + ... + 28523.

It is an arithmetic number, because the mean of its divisors is an integer number (30832200).

Almost surely, 2^398575541 is an apocalyptic number.

It is an amenable number.

398575541 is a deficient number, since it is larger than the sum of its proper divisors (94739659).

398575541 is a wasteful number, since it uses less digits than its factorization.

398575541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24668.

The product of its digits is 756000, while the sum is 47.

The square root of 398575541 is about 19964.3567639932. The cubic root of 398575541 is about 735.9306341418.

The spelling of 398575541 in words is "three hundred ninety-eight million, five hundred seventy-five thousand, five hundred forty-one".