401098185 has 12 divisors (see below), whose sum is σ = 695236932. Its totient is φ = 213919008.

The previous prime is 401098177. The next prime is 401098193. The reversal of 401098185 is 581890104.

It is an interprime number because it is at equal distance from previous prime (401098177) and next prime (401098193).

It can be written as a sum of positive squares in 2 ways, for example, as 263997504 + 137100681 = 16248^2 + 11709^2 .

It is not a de Polignac number, because 401098185 - 2³ = 401098177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4456602 + ... + 4456691.

It is an arithmetic number, because the mean of its divisors is an integer number (57936411).

Almost surely, 2^401098185 is an apocalyptic number.

401098185 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

401098185 is a deficient number, since it is larger than the sum of its proper divisors (294138747).

401098185 is a wasteful number, since it uses less digits than its factorization.

401098185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8913304 (or 8913301 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 401098185 is about 20027.4358069125. The cubic root of 401098185 is about 737.4799749422.

The spelling of 401098185 in words is "four hundred one million, ninety-eight thousand, one hundred eighty-five".