398435411 has 4 divisors (see below), whose sum is σ = 434656824. Its totient is φ = 362214000.

The previous prime is 398435393. The next prime is 398435423. The reversal of 398435411 is 114534893.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 398435411 - 2¹⁴ = 398419027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398435461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18110690 + ... + 18110711.

It is an arithmetic number, because the mean of its divisors is an integer number (108664206).

Almost surely, 2^398435411 is an apocalyptic number.

398435411 is a deficient number, since it is larger than the sum of its proper divisors (36221413).

398435411 is a wasteful number, since it uses less digits than its factorization.

398435411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36221412.

The product of its digits is 51840, while the sum is 38.

The square root of 398435411 is about 19960.8469509688. The cubic root of 398435411 is about 735.8443786000.

It can be divided in two parts, 39843 and 5411, that added together give a palindrome (45254).

The spelling of 398435411 in words is "three hundred ninety-eight million, four hundred thirty-five thousand, four hundred eleven".